2222120102121 has 8 divisors (see below), whose sum is σ = 3292029780960. Its totient is φ = 1481413401396.

The previous prime is 2222120102113. The next prime is 2222120102129. The reversal of 2222120102121 is 1212010212222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2222120102113) and next prime (2222120102129).

It is not a de Polignac number, because 2222120102121 - 2³ = 2222120102113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222120102094 and 2222120102103.

It is not an unprimeable number, because it can be changed into a prime (2222120102129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41150372235 + ... + 41150372288.

It is an arithmetic number, because the mean of its divisors is an integer number (411503722620).

Almost surely, 2^{2222120102121} is an apocalyptic number.

It is an amenable number.

2222120102121 is a deficient number, since it is larger than the sum of its proper divisors (1069909678839).

2222120102121 is an equidigital number, since it uses as much as digits as its factorization.

2222120102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82300744532 (or 82300744526 counting only the distinct ones).

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

Adding to 2222120102121 its reverse (1212010212222), we get a palindrome (3434130314343).

The spelling of 2222120102121 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred two thousand, one hundred twenty-one".