202221222021112 has 16 divisors (see below), whose sum is σ = 433331190045360. Its totient is φ = 86666238009024.

The previous prime is 202221222021059. The next prime is 202221222021121. The reversal of 202221222021112 is 211120222122202.

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, 1805546625133 + ... + 1805546625244.

It is an arithmetic number, because the mean of its divisors is an integer number (27083199377835).

Almost surely, 2^{202221222021112} is an apocalyptic number.

It is an amenable number.

202221222021112 is an abundant number, since it is smaller than the sum of its proper divisors (231109968024248).

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

202221222021112 is a wasteful number, since it uses less digits than its factorization.

202221222021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611093250390 (or 3611093250386 counting only the distinct ones).

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

Adding to 202221222021112 its reverse (211120222122202), we get a palindrome (413341444143314).

The spelling of 202221222021112 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".