2201101200121 has 4 divisors (see below), whose sum is σ = 2203261261200. Its totient is φ = 2198941139044.

The previous prime is 2201101200101. The next prime is 2201101200139. The reversal of 2201101200121 is 1210021011022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201101200121 - 2³⁹ = 1651345386233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201101200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080029011 + ... + 1080031048.

It is an arithmetic number, because the mean of its divisors is an integer number (550815315300).

Almost surely, 2^{2201101200121} is an apocalyptic number.

It is an amenable number.

2201101200121 is a deficient number, since it is larger than the sum of its proper divisors (2160061079).

2201101200121 is a wasteful number, since it uses less digits than its factorization.

2201101200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160061078.

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

Adding to 2201101200121 its reverse (1210021011022), we get a palindrome (3411122211143).

The spelling of 2201101200121 in words is "two trillion, two hundred one billion, one hundred one million, two hundred thousand, one hundred twenty-one".