2100120112201 has 32 divisors (see below), whose sum is σ = 2259258946560. Its totient is φ = 1948439193600.

The previous prime is 2100120112199. The next prime is 2100120112219. The reversal of 2100120112201 is 1022110210012.

It is a cyclic number.

It is not a de Polignac number, because 2100120112201 - 2¹ = 2100120112199 is a prime.

It is a super-2 number, since 2×2100120112201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100120112271) 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, 311725905 + ... + 311732641.

It is an arithmetic number, because the mean of its divisors is an integer number (70601842080).

Almost surely, 2^{2100120112201} is an apocalyptic number.

It is an amenable number.

2100120112201 is a deficient number, since it is larger than the sum of its proper divisors (159138834359).

2100120112201 is a wasteful number, since it uses less digits than its factorization.

2100120112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100120112201 its reverse (1022110210012), we get a palindrome (3122230322213).

The spelling of 2100120112201 in words is "two trillion, one hundred billion, one hundred twenty million, one hundred twelve thousand, two hundred one".