22011021121123 has 8 divisors (see below), whose sum is σ = 22030642372608. Its totient is φ = 21991404441864.

The previous prime is 22011021121109. The next prime is 22011021121129. The reversal of 22011021121123 is 32112112011022.

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 22011021121123 - 2²⁹ = 22010484250211 is a prime.

It is a super-2 number, since 2×22011021121123² (a number of 27 digits) contains 22 as substring.

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 22011021121123.

It is not an unprimeable number, because it can be changed into a prime (22011021121129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8525790 + ... + 10803292.

It is an arithmetic number, because the mean of its divisors is an integer number (2753830296576).

Almost surely, 2^{22011021121123} is an apocalyptic number.

22011021121123 is a deficient number, since it is larger than the sum of its proper divisors (19621251485).

22011021121123 is a wasteful number, since it uses less digits than its factorization.

22011021121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286113.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22011021121123 its reverse (32112112011022), we get a palindrome (54123133132145).

The spelling of 22011021121123 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-three".