10021120010905 has 32 divisors (see below), whose sum is σ = 13136057971200. Its totient is φ = 7309925828352.

The previous prime is 10021120010861. The next prime is 10021120010927. The reversal of 10021120010905 is 50901002112001.

It is a cyclic number.

It is not a de Polignac number, because 10021120010905 - 2²¹ = 10021117913753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4863937 + ... + 6610606.

It is an arithmetic number, because the mean of its divisors is an integer number (410501811600).

Almost surely, 2^{10021120010905} is an apocalyptic number.

It is an amenable number.

10021120010905 is a deficient number, since it is larger than the sum of its proper divisors (3114937960295).

10021120010905 is a wasteful number, since it uses less digits than its factorization.

10021120010905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474913.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 10021120010905 its reverse (50901002112001), we get a palindrome (60922122122906).

The spelling of 10021120010905 in words is "ten trillion, twenty-one billion, one hundred twenty million, ten thousand, nine hundred five".