102021012222 has 64 divisors (see below), whose sum is σ = 207950561280. Its totient is φ = 33361851744.

The previous prime is 102021012217. The next prime is 102021012319. The reversal of 102021012222 is 222210120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62704173 + ... + 62705799.

It is an arithmetic number, because the mean of its divisors is an integer number (3249227520).

Almost surely, 2^102021012222 is an apocalyptic number.

102021012222 is an abundant number, since it is smaller than the sum of its proper divisors (105929549058).

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

102021012222 is a wasteful number, since it uses less digits than its factorization.

102021012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102021012222 its reverse (222210120201), we get a palindrome (324231132423).

The spelling of 102021012222 in words is "one hundred two billion, twenty-one million, twelve thousand, two hundred twenty-two".