1022120211001 has 32 divisors (see below), whose sum is σ = 1094237222400. Its totient is φ = 951951087360.

The previous prime is 1022120210927. The next prime is 1022120211019. The reversal of 1022120211001 is 1001120212201.

It is a cyclic number.

It is not a de Polignac number, because 1022120211001 - 2²³ = 1022111822393 is a prime.

It is a super-2 number, since 2×1022120211001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022120211061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412643175 + ... + 412645651.

It is an arithmetic number, because the mean of its divisors is an integer number (34194913200).

Almost surely, 2^{1022120211001} is an apocalyptic number.

It is an amenable number.

1022120211001 is a deficient number, since it is larger than the sum of its proper divisors (72117011399).

1022120211001 is a wasteful number, since it uses less digits than its factorization.

1022120211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022120211001 its reverse (1001120212201), we get a palindrome (2023240423202).

The spelling of 1022120211001 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred eleven thousand, one".