1022120102121 has 4 divisors (see below), whose sum is σ = 1362826802832. Its totient is φ = 681413401412.

The previous prime is 1022120102083. The next prime is 1022120102141. The reversal of 1022120102121 is 1212010212201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022120102121 - 2⁹ = 1022120101609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022120102121.

It is not an unprimeable number, because it can be changed into a prime (1022120102141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170353350351 + ... + 170353350356.

It is an arithmetic number, because the mean of its divisors is an integer number (340706700708).

Almost surely, 2^{1022120102121} is an apocalyptic number.

It is an amenable number.

1022120102121 is a deficient number, since it is larger than the sum of its proper divisors (340706700711).

1022120102121 is an equidigital number, since it uses as much as digits as its factorization.

1022120102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340706700710.

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

Adding to 1022120102121 its reverse (1212010212201), we get a palindrome (2234130314322).

The spelling of 1022120102121 in words is "one trillion, twenty-two billion, one hundred twenty million, one hundred two thousand, one hundred twenty-one".