101211122211112 has 16 divisors (see below), whose sum is σ = 193351436300340. Its totient is φ = 49650739197696.

The previous prime is 101211122210971. The next prime is 101211122211113. The reversal of 101211122211112 is 211112221112101.

It can be written as a sum of positive squares in 2 ways, for example, as 99940528844676 + 1270593366436 = 9997026^2 + 1127206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101211122211112.

It is not an unprimeable number, because it can be changed into a prime (101211122211113) 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, 119352738033 + ... + 119352738880.

Almost surely, 2^{101211122211112} is an apocalyptic number.

It is an amenable number.

101211122211112 is a deficient number, since it is larger than the sum of its proper divisors (92140314089228).

101211122211112 is a wasteful number, since it uses less digits than its factorization.

101211122211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238705476972 (or 238705476968 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 101211122211112 its reverse (211112221112101), we get a palindrome (312323343323213).

The spelling of 101211122211112 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twelve".