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102021222120201 = 32371019091333667
BaseRepresentation
bin10111001100100110101010…
…101101000011101100001001
3111101020010121101022210020200
4113030212222231003230021
5101333003430330321301
61000551522531242413
730326534663532006
oct2714465255035411
9441203541283220
10102021222120201
112a563a59220a7a
12b538490a49409
1344c0738322897
141b29bd3dd48ad
15bbdc15972c86
hex5cc9aab43b09

102021222120201 has 48 divisors (see below), whose sum is σ = 152862552068928. Its totient is φ = 65513317104000.

The previous prime is 102021222120151. The next prime is 102021222120241.

It is a happy number.

102021222120201 is a `hidden beast` number, since 10 + 2 + 0 + 212 + 221 + 20 + 201 = 666.

102021222120201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 102021222120201 - 222 = 102021217925897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021222120241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305590770 + ... + 305924436.

It is an arithmetic number, because the mean of its divisors is an integer number (3184636501436).

Almost surely, 2102021222120201 is an apocalyptic number.

It is an amenable number.

102021222120201 is a deficient number, since it is larger than the sum of its proper divisors (50841329948727).

102021222120201 is a wasteful number, since it uses less digits than its factorization.

102021222120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342902 (or 342899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

It can be divided in two parts, 102021 and 222120201, that added together give a palindrome (222222222).

The spelling of 102021222120201 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 9 37 101 111 303 333 909 3737 9091 11211 27273 33633 81819 333667 336367 918191 1001001 1009101 2754573 3003003 3027303 8263719 12345679 33700367 33973067 37037037 101101101 101919201 111111111 303303303 305757603 1246913579 3033366697 3740740737 9100100091 11222222211 27300300273 112234567789 306370036397 336703703367 919110109191 1010111110101 2757330327573 11335691346689 34007074040067 102021222120201