10001122211020 has 48 divisors (see below), whose sum is σ = 21201963662880. Its totient is φ = 3962452483584.

The previous prime is 10001122211011. The next prime is 10001122211023. The reversal of 10001122211020 is 2011222110001.

It is not an unprimeable number, because it can be changed into a prime (10001122211023) 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, 5938152 + ... + 7433968.

It is an arithmetic number, because the mean of its divisors is an integer number (441707576310).

Almost surely, 2^{10001122211020} is an apocalyptic number.

10001122211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001122211020 is an abundant number, since it is smaller than the sum of its proper divisors (11200841451860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001122211020 is a wasteful number, since it uses less digits than its factorization.

10001122211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499002 (or 1499000 counting only the distinct ones).

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

Adding to 10001122211020 its reverse (2011222110001), we get a palindrome (12012344321021).

The spelling of 10001122211020 in words is "ten trillion, one billion, one hundred twenty-two million, two hundred eleven thousand, twenty".