202221111221112 has 16 divisors (see below), whose sum is σ = 505552778052840. Its totient is φ = 67407037073696.

The previous prime is 202221111221093. The next prime is 202221111221123. The reversal of 202221111221112 is 211122111122202.

202221111221112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4212939817083 + ... + 4212939817130.

Almost surely, 2^{202221111221112} is an apocalyptic number.

It is an amenable number.

202221111221112 is an abundant number, since it is smaller than the sum of its proper divisors (303331666831728).

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

202221111221112 is a wasteful number, since it uses less digits than its factorization.

202221111221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425879634222 (or 8425879634218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 202221111221112 its reverse (211122111122202), we get a palindrome (413343222343314).

The spelling of 202221111221112 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twelve".