20212101100112 has 40 divisors (see below), whose sum is σ = 41558130573696. Its totient is φ = 9490106103296.

The previous prime is 20212101100043. The next prime is 20212101100127. The reversal of 20212101100112 is 21100110121202.

It is a super-2 number, since 2×20212101100112² (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 7 ways as a sum of consecutive naturals, for example, 83749928 + ... + 83990919.

Almost surely, 2^{20212101100112} is an apocalyptic number.

It is an amenable number.

20212101100112 is an abundant number, since it is smaller than the sum of its proper divisors (21346029473584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212101100112 is a wasteful number, since it uses less digits than its factorization.

20212101100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167741315 (or 167741309 counting only the distinct ones).

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

Adding to 20212101100112 its reverse (21100110121202), we get a palindrome (41312211221314).

The spelling of 20212101100112 in words is "twenty trillion, two hundred twelve billion, one hundred one million, one hundred thousand, one hundred twelve".