222101010212 has 12 divisors (see below), whose sum is σ = 391152417180. Its totient is φ = 110343176736.

The previous prime is 222101010211. The next prime is 222101010301. The reversal of 222101010212 is 212010101222.

It can be written as a sum of positive squares in 2 ways, for example, as 135796672036 + 86304338176 = 368506^2 + 293776^2 .

It is not an unprimeable number, because it can be changed into a prime (222101010211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176831387 + ... + 176832642.

It is an arithmetic number, because the mean of its divisors is an integer number (32596034765).

Almost surely, 2^222101010212 is an apocalyptic number.

It is an amenable number.

222101010212 is a deficient number, since it is larger than the sum of its proper divisors (169051406968).

222101010212 is a wasteful number, since it uses less digits than its factorization.

222101010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353664190 (or 353664188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222101010212 its reverse (212010101222), we get a palindrome (434111111434).

It can be divided in two parts, 222101010 and 212, that added together give a palindrome (222101222).

The spelling of 222101010212 in words is "two hundred twenty-two billion, one hundred one million, ten thousand, two hundred twelve".