2122312121121 has 8 divisors (see below), whose sum is σ = 2830792539040. Its totient is φ = 1414353225312.

The previous prime is 2122312121099. The next prime is 2122312121123. The reversal of 2122312121121 is 1211212132212.

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

It is not a de Polignac number, because 2122312121121 - 2⁵ = 2122312121089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122312121123) 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, 130371031 + ... + 130387308.

It is an arithmetic number, because the mean of its divisors is an integer number (353849067380).

Almost surely, 2^{2122312121121} is an apocalyptic number.

It is an amenable number.

2122312121121 is a deficient number, since it is larger than the sum of its proper divisors (708480417919).

2122312121121 is a wasteful number, since it uses less digits than its factorization.

2122312121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260761055.

The product of its digits is 192, while the sum is 21.

Adding to 2122312121121 its reverse (1211212132212), we get a palindrome (3333524253333).

The spelling of 2122312121121 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".