2211300020055 has 32 divisors (see below), whose sum is σ = 4100471036928. Its totient is φ = 996642259200.

The previous prime is 2211300020051. The next prime is 2211300020113. The reversal of 2211300020055 is 5500200031122.

It is not a de Polignac number, because 2211300020055 - 2² = 2211300020051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211300020051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148302406 + ... + 148317315.

It is an arithmetic number, because the mean of its divisors is an integer number (128139719904).

Almost surely, 2^{2211300020055} is an apocalyptic number.

2211300020055 is a deficient number, since it is larger than the sum of its proper divisors (1889171016873).

2211300020055 is a wasteful number, since it uses less digits than its factorization.

2211300020055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296619807.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 2211300020055 its reverse (5500200031122), we get a palindrome (7711500051177).

The spelling of 2211300020055 in words is "two trillion, two hundred eleven billion, three hundred million, twenty thousand, fifty-five".