212211121023112 has 16 divisors (see below), whose sum is σ = 398223878195340. Its totient is φ = 106018086837696.

The previous prime is 212211121023089. The next prime is 212211121023133. The reversal of 212211121023112 is 211320121112212.

It can be written as a sum of positive squares in 2 ways, for example, as 198520040601796 + 13691080421316 = 14089714^2 + 3700146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10934198923 + ... + 10934218330.

Almost surely, 2^{212211121023112} is an apocalyptic number.

It is an amenable number.

212211121023112 is a deficient number, since it is larger than the sum of its proper divisors (186012757172228).

212211121023112 is a wasteful number, since it uses less digits than its factorization.

212211121023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868418472 (or 21868418468 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 212211121023112 its reverse (211320121112212), we get a palindrome (423531242135324).

The spelling of 212211121023112 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty-one million, twenty-three thousand, one hundred twelve".