222010211101212 has 24 divisors (see below), whose sum is σ = 575582028781200. Its totient is φ = 74003403700368.

The previous prime is 222010211101183. The next prime is 222010211101219. The reversal of 222010211101212 is 212101112010222.

222010211101212 is a `hidden beast` number, since 2 + 220 + 10 + 211 + 10 + 1 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010211101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027825051287 + ... + 1027825051502.

It is an arithmetic number, because the mean of its divisors is an integer number (23982584532550).

Almost surely, 2^{222010211101212} is an apocalyptic number.

It is an amenable number.

222010211101212 is an abundant number, since it is smaller than the sum of its proper divisors (353571817679988).

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

222010211101212 is a wasteful number, since it uses less digits than its factorization.

222010211101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055650102802 (or 2055650102794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222010211101212 its reverse (212101112010222), we get a palindrome (434111323111434).

The spelling of 222010211101212 in words is "two hundred twenty-two trillion, ten billion, two hundred eleven million, one hundred one thousand, two hundred twelve".