2122031021121 has 24 divisors (see below), whose sum is σ = 3467651145504. Its totient is φ = 1286079405120.

The previous prime is 2122031021101. The next prime is 2122031021167. The reversal of 2122031021121 is 1211201302212.

2122031021121 is a `hidden beast` number, since 2 + 122 + 0 + 310 + 211 + 21 = 666.

It is not a de Polignac number, because 2122031021121 - 2⁶ = 2122031021057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2122031021094 and 2122031021103.

It is not an unprimeable number, because it can be changed into a prime (2122031021101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396935416 + ... + 396940761.

It is an arithmetic number, because the mean of its divisors is an integer number (144485464396).

Almost surely, 2^{2122031021121} is an apocalyptic number.

It is an amenable number.

2122031021121 is a deficient number, since it is larger than the sum of its proper divisors (1345620124383).

2122031021121 is an equidigital number, since it uses as much as digits as its factorization.

2122031021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793876203 (or 793876191 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2122031021121 its reverse (1211201302212), we get a palindrome (3333232323333).

The spelling of 2122031021121 in words is "two trillion, one hundred twenty-two billion, thirty-one million, twenty-one thousand, one hundred twenty-one".