22011002020111 has 16 divisors (see below), whose sum is σ = 24534522734400. Its totient is φ = 19606846952448.

The previous prime is 22011002020097. The next prime is 22011002020123. The reversal of 22011002020111 is 11102020011022.

It is a cyclic number.

It is not a de Polignac number, because 22011002020111 - 2⁵ = 22011002020079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011002020091 and 22011002020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011002024111) 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, 14741691 + ... + 16165996.

It is an arithmetic number, because the mean of its divisors is an integer number (1533407670900).

Almost surely, 2^{22011002020111} is an apocalyptic number.

22011002020111 is a deficient number, since it is larger than the sum of its proper divisors (2523520714289).

22011002020111 is a wasteful number, since it uses less digits than its factorization.

22011002020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30909618.

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

Adding to 22011002020111 its reverse (11102020011022), we get a palindrome (33113022031133).

The spelling of 22011002020111 in words is "twenty-two trillion, eleven billion, two million, twenty thousand, one hundred eleven".