2122000122121 has 8 divisors (see below), whose sum is σ = 2315286134784. Its totient is φ = 1928776927920.

The previous prime is 2122000122103. The next prime is 2122000122139. The reversal of 2122000122121 is 1212210002212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2122000122103) and next prime (2122000122139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122000122121 - 2⁹ = 2122000121609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122000122095 and 2122000122104.

It is not an unprimeable number, because it can be changed into a prime (2122000122521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15633966 + ... + 15769111.

It is an arithmetic number, because the mean of its divisors is an integer number (289410766848).

Almost surely, 2^{2122000122121} is an apocalyptic number.

It is an amenable number.

2122000122121 is a deficient number, since it is larger than the sum of its proper divisors (193286012663).

2122000122121 is a wasteful number, since it uses less digits than its factorization.

2122000122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409231.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122000122121 its reverse (1212210002212), we get a palindrome (3334210124333).

The spelling of 2122000122121 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two thousand, one hundred twenty-one".