2101022200121 has 32 divisors (see below), whose sum is σ = 2286476881920. Its totient is φ = 1919102630400.

The previous prime is 2101022200091. The next prime is 2101022200133. The reversal of 2101022200121 is 1210022201012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101022200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101022200096 and 2101022200105.

It is not an unprimeable number, because it can be changed into a prime (2101022200171) 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, 541359101 + ... + 541362981.

It is an arithmetic number, because the mean of its divisors is an integer number (71452402560).

Almost surely, 2^{2101022200121} is an apocalyptic number.

It is an amenable number.

2101022200121 is a deficient number, since it is larger than the sum of its proper divisors (185454681799).

2101022200121 is a wasteful number, since it uses less digits than its factorization.

2101022200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2101022200121 its reverse (1210022201012), we get a palindrome (3311044401133).

The spelling of 2101022200121 in words is "two trillion, one hundred one billion, twenty-two million, two hundred thousand, one hundred twenty-one".