102002221110204 has 36 divisors (see below), whose sum is σ = 258132948966984. Its totient is φ = 33961970986272.

The previous prime is 102002221110161. The next prime is 102002221110217. The reversal of 102002221110204 is 402011122200201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×102002221110204² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1615358982 + ... + 1615422125.

Almost surely, 2^{102002221110204} is an apocalyptic number.

It is an amenable number.

102002221110204 is an abundant number, since it is smaller than the sum of its proper divisors (156130727856780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102002221110204 is a wasteful number, since it uses less digits than its factorization.

102002221110204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230781994 (or 3230781989 counting only the distinct ones).

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

Adding to 102002221110204 its reverse (402011122200201), we get a palindrome (504013343310405).

The spelling of 102002221110204 in words is "one hundred two trillion, two billion, two hundred twenty-one million, one hundred ten thousand, two hundred four".