102211022012 has 72 divisors (see below), whose sum is σ = 199780250880. Its totient is φ = 45377612640.

The previous prime is 102211022009. The next prime is 102211022057. The reversal of 102211022012 is 210220112201.

It is a congruent number.

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, 71827133 + ... + 71828555.

Almost surely, 2^102211022012 is an apocalyptic number.

It is an amenable number.

102211022012 is a deficient number, since it is larger than the sum of its proper divisors (97569228868).

102211022012 is a wasteful number, since it uses less digits than its factorization.

102211022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102211022012 its reverse (210220112201), we get a palindrome (312431134213).

The spelling of 102211022012 in words is "one hundred two billion, two hundred eleven million, twenty-two thousand, twelve".