101000020022001 has 96 divisors (see below), whose sum is σ = 157237711982208. Its totient is φ = 62243164938240.

The previous prime is 101000020021991. The next prime is 101000020022017. The reversal of 101000020022001 is 100220020000101.

It is not a de Polignac number, because 101000020022001 - 2³⁸ = 100725142115057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101000020022801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5517007290 + ... + 5517025596.

It is an arithmetic number, because the mean of its divisors is an integer number (1637892833148).

Almost surely, 2^{101000020022001} is an apocalyptic number.

It is an amenable number.

101000020022001 is a deficient number, since it is larger than the sum of its proper divisors (56237691960207).

101000020022001 is a wasteful number, since it uses less digits than its factorization.

101000020022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19951 (or 19948 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101000020022001 its reverse (100220020000101), we get a palindrome (201220040022102).

The spelling of 101000020022001 in words is "one hundred one trillion, twenty million, twenty-two thousand, one".