222202211100212 has 24 divisors (see below), whose sum is σ = 444409431333504. Its totient is φ = 95228445657312.

The previous prime is 222202211100167. The next prime is 222202211100263. The reversal of 222202211100212 is 212001112202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42193403 + ... + 47166594.

It is an arithmetic number, because the mean of its divisors is an integer number (18517059638896).

Almost surely, 2^{222202211100212} is an apocalyptic number.

It is an amenable number.

222202211100212 is an abundant number, since it is smaller than the sum of its proper divisors (222207220233292).

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

222202211100212 is a wasteful number, since it uses less digits than its factorization.

222202211100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89448815 (or 89448813 counting only the distinct ones).

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

Adding to 222202211100212 its reverse (212001112202222), we get a palindrome (434203323302434).

The spelling of 222202211100212 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred eleven million, one hundred thousand, two hundred twelve".