2222112020121 has 24 divisors (see below), whose sum is σ = 3681784414464. Its totient is φ = 1265092758720.

The previous prime is 2222112020069. The next prime is 2222112020153. The reversal of 2222112020121 is 1210202112222.

It is a happy number.

It is not a de Polignac number, because 2222112020121 - 2²¹ = 2222109922969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222112020094 and 2222112020103.

It is not an unprimeable number, because it can be changed into a prime (2222112020621) 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, 65059716 + ... + 65093861.

It is an arithmetic number, because the mean of its divisors is an integer number (153407683936).

Almost surely, 2^{2222112020121} is an apocalyptic number.

2222112020121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2222112020121 is a deficient number, since it is larger than the sum of its proper divisors (1459672394343).

2222112020121 is a wasteful number, since it uses less digits than its factorization.

2222112020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130153861 (or 130153858 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222112020121 its reverse (1210202112222), we get a palindrome (3432314132343).

The spelling of 2222112020121 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, twenty thousand, one hundred twenty-one".