1012022120121 has 16 divisors (see below), whose sum is σ = 1369541391168. Its totient is φ = 664592702400.

The previous prime is 1012022120111. The next prime is 1012022120173. The reversal of 1012022120121 is 1210212202101.

1012022120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012022120121 - 2¹¹ = 1012022118073 is a prime.

It is a super-2 number, since 2×1012022120121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012022120121.

It is not an unprimeable number, because it can be changed into a prime (1012022120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12780511 + ... + 12859451.

It is an arithmetic number, because the mean of its divisors is an integer number (85596336948).

Almost surely, 2^{1012022120121} is an apocalyptic number.

It is an amenable number.

1012022120121 is a deficient number, since it is larger than the sum of its proper divisors (357519271047).

1012022120121 is an equidigital number, since it uses as much as digits as its factorization.

1012022120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142792.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012022120121 its reverse (1210212202101), we get a palindrome (2222234322222).

The spelling of 1012022120121 in words is "one trillion, twelve billion, twenty-two million, one hundred twenty thousand, one hundred twenty-one".