100112211102212 has 6 divisors (see below), whose sum is σ = 175196369428878. Its totient is φ = 50056105551104.

The previous prime is 100112211102173. The next prime is 100112211102223. The reversal of 100112211102212 is 212201112211001.

It can be written as a sum of positive squares in only one way, i.e., 99616688025856 + 495523076356 = 9980816^2 + 703934^2 .

It is a super-2 number, since 2×100112211102212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12514026387773 + ... + 12514026387780.

It is an arithmetic number, because the mean of its divisors is an integer number (29199394904813).

Almost surely, 2^{100112211102212} is an apocalyptic number.

It is an amenable number.

100112211102212 is a deficient number, since it is larger than the sum of its proper divisors (75084158326666).

100112211102212 is a wasteful number, since it uses less digits than its factorization.

100112211102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25028052775557 (or 25028052775555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100112211102212 its reverse (212201112211001), we get a palindrome (312313323313213).

The spelling of 100112211102212 in words is "one hundred trillion, one hundred twelve billion, two hundred eleven million, one hundred two thousand, two hundred twelve".