10111001222212 has 36 divisors (see below), whose sum is σ = 19469811605020. Its totient is φ = 4591004520960.

The previous prime is 10111001222183. The next prime is 10111001222237. The reversal of 10111001222212 is 21222210011101.

It can be written as a sum of positive squares in 2 ways, for example, as 3110235579396 + 7000765642816 = 1763586^2 + 2645896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10694037 + ... + 11601052.

Almost surely, 2^{10111001222212} is an apocalyptic number.

It is an amenable number.

10111001222212 is a deficient number, since it is larger than the sum of its proper divisors (9358810382808).

10111001222212 is a wasteful number, since it uses less digits than its factorization.

10111001222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296052 (or 22296039 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111001222212 its reverse (21222210011101), we get a palindrome (31333211233313).

The spelling of 10111001222212 in words is "ten trillion, one hundred eleven billion, one million, two hundred twenty-two thousand, two hundred twelve".