2222012210121 has 64 divisors (see below), whose sum is σ = 3944491776000. Its totient is φ = 1220327000640.

The previous prime is 2222012210111. The next prime is 2222012210129. The reversal of 2222012210121 is 1210122102222.

It is a happy number.

2222012210121 is a `hidden beast` number, since 222 + 201 + 221 + 0 + 1 + 21 = 666.

It is not a de Polignac number, because 2222012210121 - 2⁷ = 2222012209993 is a prime.

It is a super-2 number, since 2×2222012210121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222012210094 and 2222012210103.

It is not an unprimeable number, because it can be changed into a prime (2222012210129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8430306 + ... + 8689883.

It is an arithmetic number, because the mean of its divisors is an integer number (61632684000).

Almost surely, 2^{2222012210121} is an apocalyptic number.

It is an amenable number.

2222012210121 is a deficient number, since it is larger than the sum of its proper divisors (1722479565879).

2222012210121 is a wasteful number, since it uses less digits than its factorization.

2222012210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17120251 (or 17120245 counting only the distinct ones).

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

Adding to 2222012210121 its reverse (1210122102222), we get a palindrome (3432134312343).

The spelling of 2222012210121 in words is "two trillion, two hundred twenty-two billion, twelve million, two hundred ten thousand, one hundred twenty-one".