10012400110021 has 16 divisors (see below), whose sum is σ = 10217194732800. Its totient is φ = 9809566603200.

The previous prime is 10012400110007. The next prime is 10012400110073. The reversal of 10012400110021 is 12001100421001.

It is a cyclic number.

It is not a de Polignac number, because 10012400110021 - 2¹⁷ = 10012399978949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012400109983 and 10012400110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012400110621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310340031 + ... + 310372291.

It is an arithmetic number, because the mean of its divisors is an integer number (638574670800).

Almost surely, 2^{10012400110021} is an apocalyptic number.

It is an amenable number.

10012400110021 is a deficient number, since it is larger than the sum of its proper divisors (204794622779).

10012400110021 is a wasteful number, since it uses less digits than its factorization.

10012400110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62460.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012400110021 its reverse (12001100421001), we get a palindrome (22013500531022).

The spelling of 10012400110021 in words is "ten trillion, twelve billion, four hundred million, one hundred ten thousand, twenty-one".