10010211000021 has 12 divisors (see below), whose sum is σ = 14459285703148. Its totient is φ = 6673431521664.

The previous prime is 10010211000019. The next prime is 10010211000073. The reversal of 10010211000021 is 12000011201001.

It is a happy number.

10010211000021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5537366691921 + 4472844308100 = 2353161^2 + 2114910^2 .

It is not a de Polignac number, because 10010211000021 - 2¹ = 10010211000019 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010210999967 and 10010211000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010211000001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2012710 + ... + 4906263.

Almost surely, 2^{10010211000021} is an apocalyptic number.

It is an amenable number.

10010211000021 is a deficient number, since it is larger than the sum of its proper divisors (4449074703127).

10010211000021 is a wasteful number, since it uses less digits than its factorization.

10010211000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079732 (or 7079729 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10010211000021 its reverse (12000011201001), we get a palindrome (22010222201022).

The spelling of 10010211000021 in words is "ten trillion, ten billion, two hundred eleven million, twenty-one", and thus it is an aban number.