102010122202021 has 32 divisors (see below), whose sum is σ = 116031156452352. Its totient is φ = 88840920000000.

The previous prime is 102010122202013. The next prime is 102010122202039. The reversal of 102010122202021 is 120202221010201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102010122202021 - 2³ = 102010122202013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010122201986 and 102010122202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010122202321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199536951 + ... + 200047531.

It is an arithmetic number, because the mean of its divisors is an integer number (3625973639136).

Almost surely, 2^{102010122202021} is an apocalyptic number.

102010122202021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102010122202021 is a deficient number, since it is larger than the sum of its proper divisors (14021034250331).

102010122202021 is a wasteful number, since it uses less digits than its factorization.

102010122202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516525.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102010122202021 its reverse (120202221010201), we get a palindrome (222212343212222).

The spelling of 102010122202021 in words is "one hundred two trillion, ten billion, one hundred twenty-two million, two hundred two thousand, twenty-one".