20112133111300 has 36 divisors (see below), whose sum is σ = 43783661166336. Its totient is φ = 8018985536800.

The previous prime is 20112133111283. The next prime is 20112133111333. The reversal of 20112133111300 is 311133121102.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 323315092 + ... + 323377291.

It is an arithmetic number, because the mean of its divisors is an integer number (1216212810176).

Almost surely, 2^{20112133111300} is an apocalyptic number.

20112133111300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112133111300 is an abundant number, since it is smaller than the sum of its proper divisors (23671528055036).

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

20112133111300 is a wasteful number, since it uses less digits than its factorization.

20112133111300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646692708 (or 646692701 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20112133111300 its reverse (311133121102), we get a palindrome (20423266232402).

The spelling of 20112133111300 in words is "twenty trillion, one hundred twelve billion, one hundred thirty-three million, one hundred eleven thousand, three hundred".