1022122021001 has 4 divisors (see below), whose sum is σ = 1032045535872. Its totient is φ = 1012198506132.

The previous prime is 1022122020967. The next prime is 1022122021103. The reversal of 1022122021001 is 1001202212201.

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 a de Polignac number, because none of the positive numbers 2^k-1022122021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022122021601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961757281 + ... + 4961757486.

It is an arithmetic number, because the mean of its divisors is an integer number (258011383968).

Almost surely, 2^{1022122021001} is an apocalyptic number.

It is an amenable number.

1022122021001 is a deficient number, since it is larger than the sum of its proper divisors (9923514871).

1022122021001 is an equidigital number, since it uses as much as digits as its factorization.

1022122021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923514870.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022122021001 its reverse (1001202212201), we get a palindrome (2023324233202).

The spelling of 1022122021001 in words is "one trillion, twenty-two billion, one hundred twenty-two million, twenty-one thousand, one".