102222222121012 has 36 divisors (see below), whose sum is σ = 217142856937440. Its totient is φ = 41904761861424.

The previous prime is 102222222120959. The next prime is 102222222121087. The reversal of 102222222121012 is 210121222222201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11337863962 + ... + 11337872977.

It is an arithmetic number, because the mean of its divisors is an integer number (6031746026040).

Almost surely, 2^{102222222121012} is an apocalyptic number.

It is an amenable number.

102222222121012 is an abundant number, since it is smaller than the sum of its proper divisors (114920634816428).

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

102222222121012 is a wasteful number, since it uses less digits than its factorization.

102222222121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22675736980 (or 22675736971 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102222222121012 its reverse (210121222222201), we get a palindrome (312343444343213).

The spelling of 102222222121012 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, twelve".