102222111212100 has 108 divisors (see below), whose sum is σ = 349537667584560. Its totient is φ = 24781117867200.

The previous prime is 102222111212041. The next prime is 102222111212101. The reversal of 102222111212100 is 1212111222201.

102222111212100 is a `hidden beast` number, since 1 + 0 + 222 + 211 + 1 + 21 + 210 + 0 = 666.

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 (102222111212101) 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, 5162722990 + ... + 5162742789.

Almost surely, 2^{102222111212100} is an apocalyptic number.

102222111212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222111212100 is an abundant number, since it is smaller than the sum of its proper divisors (247315556372460).

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

102222111212100 is a wasteful number, since it uses less digits than its factorization.

102222111212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325465810 (or 10325465800 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102222111212100 its reverse (1212111222201), we get a palindrome (103434222434301).

The spelling of 102222111212100 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, one hundred".