2222103022121 has 16 divisors (see below), whose sum is σ = 2249904278160. Its totient is φ = 2194422988800.

The previous prime is 2222103022099. The next prime is 2222103022123. The reversal of 2222103022121 is 1212203012222.

It can be written as a sum of positive squares in 8 ways, for example, as 224301696025 + 1997801326096 = 473605^2 + 1413436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222103022121 - 2³⁴ = 2204923152937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222103022093 and 2222103022102.

It is not an unprimeable number, because it can be changed into a prime (2222103022123) 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 15 ways as a sum of consecutive naturals, for example, 61884245 + ... + 61920141.

It is an arithmetic number, because the mean of its divisors is an integer number (140619017385).

Almost surely, 2^{2222103022121} is an apocalyptic number.

It is an amenable number.

2222103022121 is a deficient number, since it is larger than the sum of its proper divisors (27801256039).

2222103022121 is a wasteful number, since it uses less digits than its factorization.

2222103022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37564.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2222103022121 its reverse (1212203012222), we get a palindrome (3434306034343).

The spelling of 2222103022121 in words is "two trillion, two hundred twenty-two billion, one hundred three million, twenty-two thousand, one hundred twenty-one".