20211112232112 has 40 divisors (see below), whose sum is σ = 52212434107504. Its totient is φ = 6736986549504.

The previous prime is 20211112232081. The next prime is 20211112232119. The reversal of 20211112232112 is 21123221111202.

It is not an unprimeable number, because it can be changed into a prime (20211112232119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5127498 + ... + 8167830.

Almost surely, 2^{20211112232112} is an apocalyptic number.

It is an amenable number.

20211112232112 is an abundant number, since it is smaller than the sum of its proper divisors (32001321875392).

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

20211112232112 is a wasteful number, since it uses less digits than its factorization.

20211112232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178837 (or 3178831 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 20211112232112 its reverse (21123221111202), we get a palindrome (41334333343314).

The spelling of 20211112232112 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, two hundred thirty-two thousand, one hundred twelve".