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10021100211 = 321765497387
BaseRepresentation
bin10010101010100110…
…11101101010110011
3221212101110122011200
421111103131222303
5131010400201321
64334214542243
7503221642413
oct112523355263
927771418150
1010021100211
114282716a01
121b38067983
13c391975c5
146b0c96643
153d9b79d26
hex2554ddab3

10021100211 has 12 divisors (see below), whose sum is σ = 15326388792. Its totient is φ = 6287749056.

The previous prime is 10021100179. The next prime is 10021100237. The reversal of 10021100211 is 11200112001.

It is a happy number.

It is not a de Polignac number, because 10021100211 - 25 = 10021100179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10021100193 and 10021100202.

It is not an unprimeable number, because it can be changed into a prime (10021100281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32748541 + ... + 32748846.

It is an arithmetic number, because the mean of its divisors is an integer number (1277199066).

Almost surely, 210021100211 is an apocalyptic number.

10021100211 is a deficient number, since it is larger than the sum of its proper divisors (5305288581).

10021100211 is a wasteful number, since it uses less digits than its factorization.

10021100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65497410 (or 65497407 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10021100211 its reverse (11200112001), we get a palindrome (21221212212).

The spelling of 10021100211 in words is "ten billion, twenty-one million, one hundred thousand, two hundred eleven".

Divisors: 1 3 9 17 51 153 65497387 196492161 589476483 1113455579 3340366737 10021100211