102210222221100 has 108 divisors (see below), whose sum is σ = 366139729401264. Its totient is φ = 23362336506240.

The previous prime is 102210222221099. The next prime is 102210222221101. The reversal of 102210222221100 is 1122222012201.

It is a happy number.

102210222221100 is a `hidden beast` number, since 1 + 0 + 2 + 210 + 222 + 221 + 10 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (102210222221099) and next prime (102210222221101).

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

It is not an unprimeable number, because it can be changed into a prime (102210222221101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8111916099 + ... + 8111928698.

Almost surely, 2^{102210222221100} is an apocalyptic number.

102210222221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210222221100 is an abundant number, since it is smaller than the sum of its proper divisors (263929507180164).

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

102210222221100 is a wasteful number, since it uses less digits than its factorization.

102210222221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16223844824 (or 16223844814 counting only the distinct ones).

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

Adding to 102210222221100 its reverse (1122222012201), we get a palindrome (103332444233301).

The spelling of 102210222221100 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred".