22121121411023 has 4 divisors (see below), whose sum is σ = 22121373622920. Its totient is φ = 22120869199128.

The previous prime is 22121121410923. The next prime is 22121121411113. The reversal of 22121121411023 is 32011412112122.

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 22121121411023 - 2¹⁸ = 22121121148879 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 22121121411023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121121411523) 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, 125974340 + ... + 126149817.

It is an arithmetic number, because the mean of its divisors is an integer number (5530343405730).

Almost surely, 2^{22121121411023} is an apocalyptic number.

22121121411023 is a deficient number, since it is larger than the sum of its proper divisors (252211897).

22121121411023 is an equidigital number, since it uses as much as digits as its factorization.

22121121411023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252211896.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 22121121411023 its reverse (32011412112122), we get a palindrome (54132533523145).

The spelling of 22121121411023 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, four hundred eleven thousand, twenty-three".