2202100012121 has 4 divisors (see below), whose sum is σ = 2239423741200. Its totient is φ = 2164776283044.

The previous prime is 2202100012097. The next prime is 2202100012129. The reversal of 2202100012121 is 1212100012022.

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 a de Polignac number, because none of the positive numbers 2^k-2202100012121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202100012096 and 2202100012105.

It is not an unprimeable number, because it can be changed into a prime (2202100012129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18661864451 + ... + 18661864568.

It is an arithmetic number, because the mean of its divisors is an integer number (559855935300).

Almost surely, 2^{2202100012121} is an apocalyptic number.

It is an amenable number.

2202100012121 is a deficient number, since it is larger than the sum of its proper divisors (37323729079).

2202100012121 is an equidigital number, since it uses as much as digits as its factorization.

2202100012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37323729078.

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

Adding to 2202100012121 its reverse (1212100012022), we get a palindrome (3414200024143).

Subtracting from 2202100012121 its reverse (1212100012022), we obtain a palindrome (990000000099).

The spelling of 2202100012121 in words is "two trillion, two hundred two billion, one hundred million, twelve thousand, one hundred twenty-one".