102111201222 has 16 divisors (see below), whose sum is σ = 204231535680. Its totient is φ = 34035544872.

The previous prime is 102111201221. The next prime is 102111201251. The reversal of 102111201222 is 222102111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111201221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230668 + ... + 507375.

It is an arithmetic number, because the mean of its divisors is an integer number (12764470980).

Almost surely, 2^102111201222 is an apocalyptic number.

102111201222 is an abundant number, since it is smaller than the sum of its proper divisors (102120334458).

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

102111201222 is a wasteful number, since it uses less digits than its factorization.

102111201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761107.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102111201222 its reverse (222102111201), we get a palindrome (324213312423).

It can be divided in two parts, 102111201 and 222, that multiplied together give a palindrome (22668686622).

The spelling of 102111201222 in words is "one hundred two billion, one hundred eleven million, two hundred one thousand, two hundred twenty-two".