1022011102001 has 4 divisors (see below), whose sum is σ = 1033494372900. Its totient is φ = 1010527831104.

The previous prime is 1022011101929. The next prime is 1022011102081. The reversal of 1022011102001 is 1002011102201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 408218766400 + 613792335601 = 638920^2 + 783449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022011102001 is a prime.

It is a super-3 number, since 3×1022011102001³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022011102081) 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, 5741635316 + ... + 5741635493.

It is an arithmetic number, because the mean of its divisors is an integer number (258373593225).

Almost surely, 2^{1022011102001} is an apocalyptic number.

It is an amenable number.

1022011102001 is a deficient number, since it is larger than the sum of its proper divisors (11483270899).

1022011102001 is an equidigital number, since it uses as much as digits as its factorization.

1022011102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483270898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022011102001 its reverse (1002011102201), we get a palindrome (2024022204202).

The spelling of 1022011102001 in words is "one trillion, twenty-two billion, eleven million, one hundred two thousand, one".