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102120021202001 = 1131129850926981
BaseRepresentation
bin10111001110000010101011…
…100101101001010001010001
3111101120120121212020011102112
4113032002223211221101101
5101341113300411431001
61001105142354355105
730336633216056165
oct2716025345512121
9441516555204375
10102120021202001
112a5a19487834a0
12b55366458ba95
1344c9b520a8c2a
141b308c7766ca5
15bc159953ecbb
hex5ce0ab969451

102120021202001 has 8 divisors (see below), whose sum is σ = 111761870620608. Its totient is φ = 92537873638000.

The previous prime is 102120021201983. The next prime is 102120021202009. The reversal of 102120021202001 is 100202120021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120021202001 - 26 = 102120021201937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102120021202009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14925460070 + ... + 14925466911.

It is an arithmetic number, because the mean of its divisors is an integer number (13970233827576).

Almost surely, 2102120021202001 is an apocalyptic number.

102120021202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102120021202001 is a deficient number, since it is larger than the sum of its proper divisors (9641849418607).

102120021202001 is a wasteful number, since it uses less digits than its factorization.

102120021202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29850927303.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102120021202001 its reverse (100202120021201), we get a palindrome (202322141223202).

The spelling of 102120021202001 in words is "one hundred two trillion, one hundred twenty billion, twenty-one million, two hundred two thousand, one".

Divisors: 1 11 311 3421 29850926981 328360196791 9283638291091 102120021202001