20210111100201 has 16 divisors (see below), whose sum is σ = 29409869203200. Its totient is φ = 12242992195920.

The previous prime is 20210111100181. The next prime is 20210111100217. The reversal of 20210111100201 is 10200111101202.

It is not a de Polignac number, because 20210111100201 - 2⁵ = 20210111100169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210111100241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138925851 + ... + 139071248.

It is an arithmetic number, because the mean of its divisors is an integer number (1838116825200).

Almost surely, 2^{20210111100201} is an apocalyptic number.

It is an amenable number.

20210111100201 is a deficient number, since it is larger than the sum of its proper divisors (9199758102999).

20210111100201 is a wasteful number, since it uses less digits than its factorization.

20210111100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277999316.

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

Adding to 20210111100201 its reverse (10200111101202), we get a palindrome (30410222201403).

The spelling of 20210111100201 in words is "twenty trillion, two hundred ten billion, one hundred eleven million, one hundred thousand, two hundred one".