10012111110021 has 8 divisors (see below), whose sum is σ = 13355188835040. Its totient is φ = 6671887062512.

The previous prime is 10012111110013. The next prime is 10012111110049. The reversal of 10012111110021 is 12001111121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10012111110021 - 2³ = 10012111110013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012111109979 and 10012111110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012111110091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713411190 + ... + 713425223.

It is an arithmetic number, because the mean of its divisors is an integer number (1669398604380).

Almost surely, 2^{10012111110021} is an apocalyptic number.

It is an amenable number.

10012111110021 is a deficient number, since it is larger than the sum of its proper divisors (3343077725019).

10012111110021 is a wasteful number, since it uses less digits than its factorization.

10012111110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426838755.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10012111110021 its reverse (12001111121001), we get a palindrome (22013222231022).

The spelling of 10012111110021 in words is "ten trillion, twelve billion, one hundred eleven million, one hundred ten thousand, twenty-one".