2001011000022 has 24 divisors (see below), whose sum is σ = 4441268318760. Its totient is φ = 650735284320.

The previous prime is 2001011000017. The next prime is 2001011000071. The reversal of 2001011000022 is 2200001101002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2001010999968 and 2001011000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355697772 + ... + 1355699247.

It is an arithmetic number, because the mean of its divisors is an integer number (185052846615).

Almost surely, 2^{2001011000022} is an apocalyptic number.

2001011000022 is an abundant number, since it is smaller than the sum of its proper divisors (2440257318738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001011000022 is a wasteful number, since it uses less digits than its factorization.

2001011000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711397068 (or 2711397065 counting only the distinct ones).

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

Adding to 2001011000022 its reverse (2200001101002), we get a palindrome (4201012101024).

The spelling of 2001011000022 in words is "two trillion, one billion, eleven million, twenty-two", and thus it is an aban number and an uban number.