2211021100223 has 32 divisors (see below), whose sum is σ = 2529199979712. Its totient is φ = 1914774681600.

The previous prime is 2211021100199. The next prime is 2211021100231. The reversal of 2211021100223 is 3220011201122.

It is not a de Polignac number, because 2211021100223 - 2⁸ = 2211021099967 is a prime.

It is a super-2 number, since 2×2211021100223² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211021100283) 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, 89535308 + ... + 89559998.

It is an arithmetic number, because the mean of its divisors is an integer number (79037499366).

Almost surely, 2^{2211021100223} is an apocalyptic number.

2211021100223 is a deficient number, since it is larger than the sum of its proper divisors (318178879489).

2211021100223 is a wasteful number, since it uses less digits than its factorization.

2211021100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25995.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2211021100223 its reverse (3220011201122), we get a palindrome (5431032301345).

The spelling of 2211021100223 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred thousand, two hundred twenty-three".