2100122211201 has 32 divisors (see below), whose sum is σ = 3219612211200. Its totient is φ = 1192786269696.

The previous prime is 2100122211199. The next prime is 2100122211233. The reversal of 2100122211201 is 1021122210012.

It is not a de Polignac number, because 2100122211201 - 2¹ = 2100122211199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100122211701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83801265 + ... + 83826321.

It is an arithmetic number, because the mean of its divisors is an integer number (100612881600).

Almost surely, 2^{2100122211201} is an apocalyptic number.

2100122211201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2100122211201 is a deficient number, since it is larger than the sum of its proper divisors (1119489999999).

2100122211201 is a wasteful number, since it uses less digits than its factorization.

2100122211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49133.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2100122211201 its reverse (1021122210012), we get a palindrome (3121244421213).

The spelling of 2100122211201 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".