201001001000022 has 48 divisors (see below), whose sum is σ = 435712011574320. Its totient is φ = 66968052008256.

The previous prime is 201001001000011. The next prime is 201001001000147. The reversal of 201001001000022 is 220000100100102.

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 = 201001000999968 and 201001001000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1983244353 + ... + 1983345699.

It is an arithmetic number, because the mean of its divisors is an integer number (9077333574465).

Almost surely, 2^{201001001000022} is an apocalyptic number.

201001001000022 is an abundant number, since it is smaller than the sum of its proper divisors (234711010574298).

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

201001001000022 is a wasteful number, since it uses less digits than its factorization.

201001001000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153357 (or 153354 counting only the distinct ones).

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

Adding to 201001001000022 its reverse (220000100100102), we get a palindrome (421001101100124).

The spelling of 201001001000022 in words is "two hundred one trillion, one billion, one million, twenty-two", and thus it is an aban number.