222210221101012 has 6 divisors (see below), whose sum is σ = 388867886926778. Its totient is φ = 111105110550504.

The previous prime is 222210221101007. The next prime is 222210221101019. The reversal of 222210221101012 is 210101122012222.

222210221101012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 114594370175376 + 107615850925636 = 10704876^2 + 10373806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210221101019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776277637623 + ... + 27776277637630.

Almost surely, 2^{222210221101012} is an apocalyptic number.

It is an amenable number.

222210221101012 is a deficient number, since it is larger than the sum of its proper divisors (166657665825766).

222210221101012 is a wasteful number, since it uses less digits than its factorization.

222210221101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55552555275257 (or 55552555275255 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222210221101012 its reverse (210101122012222), we get a palindrome (432311343113234).

The spelling of 222210221101012 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred twenty-one million, one hundred one thousand, twelve".