21112012222023 has 8 divisors (see below), whose sum is σ = 28160713930608. Its totient is φ = 14068992664064.

The previous prime is 21112012222001. The next prime is 21112012222031. The reversal of 21112012222023 is 32022221021112.

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

It is a cyclic number.

It is not a de Polignac number, because 21112012222023 - 2²¹ = 21112010124871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112012222123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420528986 + ... + 1420543847.

It is an arithmetic number, because the mean of its divisors is an integer number (3520089241326).

Almost surely, 2^{21112012222023} is an apocalyptic number.

21112012222023 is a deficient number, since it is larger than the sum of its proper divisors (7048701708585).

21112012222023 is a wasteful number, since it uses less digits than its factorization.

21112012222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841075313.

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

Adding to 21112012222023 its reverse (32022221021112), we get a palindrome (53134233243135).

The spelling of 21112012222023 in words is "twenty-one trillion, one hundred twelve billion, twelve million, two hundred twenty-two thousand, twenty-three".