2210000122121 has 4 divisors (see below), whose sum is σ = 2410909224144. Its totient is φ = 2009091020100.

The previous prime is 2210000122091. The next prime is 2210000122133. The reversal of 2210000122121 is 1212210000122.

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 2210000122121 - 2²² = 2209995927817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210000122096 and 2210000122105.

It is not an unprimeable number, because it can be changed into a prime (2210000122171) 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, 100454550995 + ... + 100454551016.

It is an arithmetic number, because the mean of its divisors is an integer number (602727306036).

Almost surely, 2^{2210000122121} is an apocalyptic number.

It is an amenable number.

2210000122121 is a deficient number, since it is larger than the sum of its proper divisors (200909102023).

2210000122121 is a wasteful number, since it uses less digits than its factorization.

2210000122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200909102022.

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

Adding to 2210000122121 its reverse (1212210000122), we get a palindrome (3422210122243).

It can be divided in two parts, 2210000122 and 121, that multiplied together give a palindrome (267410014762).

The spelling of 2210000122121 in words is "two trillion, two hundred ten billion, one hundred twenty-two thousand, one hundred twenty-one".