20110100112212 has 48 divisors (see below), whose sum is σ = 38512767492864. Its totient is φ = 9112246416000.

The previous prime is 20110100112197. The next prime is 20110100112229. The reversal of 20110100112212 is 21221100101102.

It is a super-2 number, since 2×20110100112212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17854037 + ... + 18946947.

It is an arithmetic number, because the mean of its divisors is an integer number (802349322768).

Almost surely, 2^{20110100112212} is an apocalyptic number.

20110100112212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20110100112212 is a deficient number, since it is larger than the sum of its proper divisors (18402667380652).

20110100112212 is a wasteful number, since it uses less digits than its factorization.

20110100112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094240 (or 1094238 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20110100112212 its reverse (21221100101102), we get a palindrome (41331200213314).

The spelling of 20110100112212 in words is "twenty trillion, one hundred ten billion, one hundred million, one hundred twelve thousand, two hundred twelve".