20201101111200 has 144 divisors (see below), whose sum is σ = 67358354789376. Its totient is φ = 5255570995200.

The previous prime is 20201101111189. The next prime is 20201101111237. The reversal of 20201101111200 is 211110110202.

It is a super-2 number, since 2×20201101111200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102549472 + ... + 102746271.

It is an arithmetic number, because the mean of its divisors is an integer number (467766352704).

Almost surely, 2^{20201101111200} is an apocalyptic number.

20201101111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201101111200 is an abundant number, since it is smaller than the sum of its proper divisors (47157253678176).

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

20201101111200 is a wasteful number, since it uses less digits than its factorization.

20201101111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205295807 (or 205295794 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20201101111200 its reverse (211110110202), we get a palindrome (20412211221402).

The spelling of 20201101111200 in words is "twenty trillion, two hundred one billion, one hundred one million, one hundred eleven thousand, two hundred".