102210211112 has 8 divisors (see below), whose sum is σ = 191644145850. Its totient is φ = 51105105552.

The previous prime is 102210211109. The next prime is 102210211133. The reversal of 102210211112 is 211112012201.

It can be written as a sum of positive squares in only one way, i.e., 69277398436 + 32932812676 = 263206^2 + 181474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388138187 + ... + 6388138202.

Almost surely, 2^102210211112 is an apocalyptic number.

It is an amenable number.

102210211112 is a deficient number, since it is larger than the sum of its proper divisors (89433934738).

102210211112 is a wasteful number, since it uses less digits than its factorization.

102210211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776276395 (or 12776276391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102210211112 its reverse (211112012201), we get a palindrome (313322223313).

The spelling of 102210211112 in words is "one hundred two billion, two hundred ten million, two hundred eleven thousand, one hundred twelve".