222100021122212 has 48 divisors (see below), whose sum is σ = 421789240635840. Its totient is φ = 101922090504192.

The previous prime is 222100021122211. The next prime is 222100021122311. The reversal of 222100021122212 is 212221120001222.

It is not an unprimeable number, because it can be changed into a prime (222100021122211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59545133 + ... + 63165044.

It is an arithmetic number, because the mean of its divisors is an integer number (8787275846580).

Almost surely, 2^{222100021122212} is an apocalyptic number.

It is an amenable number.

222100021122212 is a deficient number, since it is larger than the sum of its proper divisors (199689219513628).

222100021122212 is a wasteful number, since it uses less digits than its factorization.

222100021122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122710860 (or 122710858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222100021122212 its reverse (212221120001222), we get a palindrome (434321141123434).

The spelling of 222100021122212 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred twelve".