1022120121445 has 16 divisors (see below), whose sum is σ = 1247377320000. Its totient is φ = 803808299008.

The previous prime is 1022120121317. The next prime is 1022120121461. The reversal of 1022120121445 is 5441210212201.

It is a cyclic number.

It is not a de Polignac number, because 1022120121445 - 2⁷ = 1022120121317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12836766 + ... + 12916144.

It is an arithmetic number, because the mean of its divisors is an integer number (77961082500).

Almost surely, 2^{1022120121445} is an apocalyptic number.

It is an amenable number.

1022120121445 is a deficient number, since it is larger than the sum of its proper divisors (225257198555).

1022120121445 is an equidigital number, since it uses as much as digits as its factorization.

1022120121445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123092.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1022120121445 its reverse (5441210212201), we get a palindrome (6463330333646).

The spelling of 1022120121445 in words is "one trillion, twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, four hundred forty-five".