21112022201223 has 8 divisors (see below), whose sum is σ = 29057406900736. Its totient is φ = 13620659484600.

The previous prime is 21112022201177. The next prime is 21112022201251. The reversal of 21112022201223 is 32210222021112.

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

It is not a de Polignac number, because 21112022201223 - 2⁸ = 21112022200967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21112022201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112022201923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113505495613 + ... + 113505495798.

It is an arithmetic number, because the mean of its divisors is an integer number (3632175862592).

Almost surely, 2^{21112022201223} is an apocalyptic number.

21112022201223 is a deficient number, since it is larger than the sum of its proper divisors (7945384699513).

21112022201223 is a wasteful number, since it uses less digits than its factorization.

21112022201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227010991445.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21112022201223 its reverse (32210222021112), we get a palindrome (53322244222335).

The spelling of 21112022201223 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, two hundred one thousand, two hundred twenty-three".