102200000201021 has 16 divisors (see below), whose sum is σ = 104349152893440. Its totient is φ = 100066198115520.

The previous prime is 102200000201017. The next prime is 102200000201027. The reversal of 102200000201021 is 120102000002201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102200000201021 - 2² = 102200000201017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102200000200993 and 102200000201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200000201027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182939906 + ... + 183497708.

It is an arithmetic number, because the mean of its divisors is an integer number (6521822055840).

Almost surely, 2^{102200000201021} is an apocalyptic number.

It is an amenable number.

102200000201021 is a deficient number, since it is larger than the sum of its proper divisors (2149152692419).

102200000201021 is a wasteful number, since it uses less digits than its factorization.

102200000201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571556.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102200000201021 its reverse (120102000002201), we get a palindrome (222302000203222).

The spelling of 102200000201021 in words is "one hundred two trillion, two hundred billion, two hundred one thousand, twenty-one".