10012200100021 has 16 divisors (see below), whose sum is σ = 12194057908224. Its totient is φ = 8034105849264.

The previous prime is 10012200099989. The next prime is 10012200100043. The reversal of 10012200100021 is 12000100221001.

It is not a de Polignac number, because 10012200100021 - 2⁵ = 10012200099989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012200099980 and 10012200100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012200200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661562415 + ... + 661577548.

It is an arithmetic number, because the mean of its divisors is an integer number (762128619264).

Almost surely, 2^{10012200100021} is an apocalyptic number.

It is an amenable number.

10012200100021 is a deficient number, since it is larger than the sum of its proper divisors (2181857808203).

10012200100021 is a wasteful number, since it uses less digits than its factorization.

10012200100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323140040.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012200100021 its reverse (12000100221001), we get a palindrome (22012300321022).

The spelling of 10012200100021 in words is "ten trillion, twelve billion, two hundred million, one hundred thousand, twenty-one".