102112211102 has 32 divisors (see below), whose sum is σ = 168098734080. Its totient is φ = 46135595520.

The previous prime is 102112211029. The next prime is 102112211143. The reversal of 102112211102 is 201112211201.

It is a super-2 number, since 2×102112211102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5421233 + ... + 5440035.

It is an arithmetic number, because the mean of its divisors is an integer number (5253085440).

Almost surely, 2^102112211102 is an apocalyptic number.

102112211102 is a deficient number, since it is larger than the sum of its proper divisors (65986522978).

102112211102 is a wasteful number, since it uses less digits than its factorization.

102112211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20288.

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

Adding to 102112211102 its reverse (201112211201), we get a palindrome (303224422303).

Subtracting 102112211102 from its reverse (201112211201), we obtain a palindrome (99000000099).

The spelling of 102112211102 in words is "one hundred two billion, one hundred twelve million, two hundred eleven thousand, one hundred two".