20212331100112 has 10 divisors (see below), whose sum is σ = 39161391506498. Its totient is φ = 10106165550048.

The previous prime is 20212331100103. The next prime is 20212331100113. The reversal of 20212331100112 is 21100113321202.

It can be written as a sum of positive squares in only one way, i.e., 20124160112016 + 88170988096 = 4485996^2 + 296936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20212331100112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212331100113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631635346863 + ... + 631635346894.

Almost surely, 2^{20212331100112} is an apocalyptic number.

It is an amenable number.

20212331100112 is a deficient number, since it is larger than the sum of its proper divisors (18949060406386).

20212331100112 is a wasteful number, since it uses less digits than its factorization.

20212331100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263270693765 (or 1263270693759 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20212331100112 its reverse (21100113321202), we get a palindrome (41312444421314).

The spelling of 20212331100112 in words is "twenty trillion, two hundred twelve billion, three hundred thirty-one million, one hundred thousand, one hundred twelve".