2111021010223 has 4 divisors (see below), whose sum is σ = 2117765486608. Its totient is φ = 2104276533840.

The previous prime is 2111021010199. The next prime is 2111021010229. The reversal of 2111021010223 is 3220101201112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111021010223 - 2⁵ = 2111021010191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111021010197 and 2111021010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021010229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372237723 + ... + 3372238348.

It is an arithmetic number, because the mean of its divisors is an integer number (529441371652).

Almost surely, 2^{2111021010223} is an apocalyptic number.

2111021010223 is a deficient number, since it is larger than the sum of its proper divisors (6744476385).

2111021010223 is an equidigital number, since it uses as much as digits as its factorization.

2111021010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744476384.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2111021010223 its reverse (3220101201112), we get a palindrome (5331122211335).

The spelling of 2111021010223 in words is "two trillion, one hundred eleven billion, twenty-one million, ten thousand, two hundred twenty-three".