20200021121011 has 8 divisors (see below), whose sum is σ = 21263611622400. Its totient is φ = 19136473769160.

The previous prime is 20200021121003. The next prime is 20200021121041. The reversal of 20200021121011 is 11012112000202.

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 20200021121011 - 2³ = 20200021121003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200021120982 and 20200021121000.

It is not an unprimeable number, because it can be changed into a prime (20200021121041) 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, 9824251 + ... + 11701108.

It is an arithmetic number, because the mean of its divisors is an integer number (2657951452800).

Almost surely, 2^{20200021121011} is an apocalyptic number.

20200021121011 is a deficient number, since it is larger than the sum of its proper divisors (1063590501389).

20200021121011 is a wasteful number, since it uses less digits than its factorization.

20200021121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21574769.

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

Adding to 20200021121011 its reverse (11012112000202), we get a palindrome (31212133121213).

The spelling of 20200021121011 in words is "twenty trillion, two hundred billion, twenty-one million, one hundred twenty-one thousand, eleven".