102222211221100 has 72 divisors (see below), whose sum is σ = 234962932534848. Its totient is φ = 38468521190400.

The previous prime is 102222211221071. The next prime is 102222211221181. The reversal of 102222211221100 is 1122112222201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7499691 + ... + 16145890.

It is an arithmetic number, because the mean of its divisors is an integer number (3263374062984).

Almost surely, 2^{102222211221100} is an apocalyptic number.

102222211221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222211221100 is an abundant number, since it is smaller than the sum of its proper divisors (132740721313748).

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

102222211221100 is a wasteful number, since it uses less digits than its factorization.

102222211221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23648155 (or 23648148 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102222211221100 its reverse (1122112222201), we get a palindrome (103344323443301).

The spelling of 102222211221100 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred".