2011122200021 has 8 divisors (see below), whose sum is σ = 2240631310464. Its totient is φ = 1789393059520.

The previous prime is 2011122199993. The next prime is 2011122200023. The reversal of 2011122200021 is 1200022211102.

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

It is not a de Polignac number, because 2011122200021 - 2²² = 2011118005717 is a prime.

It is a super-2 number, since 2×2011122200021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011122199969 and 2011122200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011122200023) 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, 1944991940 + ... + 1944992973.

It is an arithmetic number, because the mean of its divisors is an integer number (280078913808).

Almost surely, 2^{2011122200021} is an apocalyptic number.

It is an amenable number.

2011122200021 is a deficient number, since it is larger than the sum of its proper divisors (229509110443).

2011122200021 is a wasteful number, since it uses less digits than its factorization.

2011122200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889984971.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011122200021 its reverse (1200022211102), we get a palindrome (3211144411123).

The spelling of 2011122200021 in words is "two trillion, eleven billion, one hundred twenty-two million, two hundred thousand, twenty-one".