20000111220201 has 64 divisors (see below), whose sum is σ = 31981025083392. Its totient is φ = 10876675680000.

The previous prime is 20000111220191. The next prime is 20000111220223. The reversal of 20000111220201 is 10202211100002.

It is not a de Polignac number, because 20000111220201 - 2⁵ = 20000111220169 is a prime.

It is a super-2 number, since 2×20000111220201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000111220281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 232703206 + ... + 232789136.

It is an arithmetic number, because the mean of its divisors is an integer number (499703516928).

Almost surely, 2^{20000111220201} is an apocalyptic number.

20000111220201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20000111220201 is a deficient number, since it is larger than the sum of its proper divisors (11980913863191).

20000111220201 is a wasteful number, since it uses less digits than its factorization.

20000111220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91894.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20000111220201 its reverse (10202211100002), we get a palindrome (30202322320203).

The spelling of 20000111220201 in words is "twenty trillion, one hundred eleven million, two hundred twenty thousand, two hundred one".