21010022000001 has 32 divisors (see below), whose sum is σ = 32837138640000. Its totient is φ = 13239934009344.

The previous prime is 21010021999919. The next prime is 21010022000087. The reversal of 21010022000001 is 10000022001012.

It is not a de Polignac number, because 21010022000001 - 2¹⁷ = 21010021868929 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 (21010022002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45376800 + ... + 45837473.

It is an arithmetic number, because the mean of its divisors is an integer number (1026160582500).

Almost surely, 2^{21010022000001} is an apocalyptic number.

It is an amenable number.

21010022000001 is a deficient number, since it is larger than the sum of its proper divisors (11827116639999).

21010022000001 is a wasteful number, since it uses less digits than its factorization.

21010022000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91214750 (or 91214744 counting only the distinct ones).

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

Adding to 21010022000001 its reverse (10000022001012), we get a palindrome (31010044001013).

The spelling of 21010022000001 in words is "twenty-one trillion, ten billion, twenty-two million, one", and thus it is an aban number and an uban number.