22100122121123 has 4 divisors (see below), whose sum is σ = 22100327690808. Its totient is φ = 22099916551440.

The previous prime is 22100122121083. The next prime is 22100122121131. The reversal of 22100122121123 is 32112122100122.

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 22100122121123 - 2¹⁶ = 22100122055587 is a prime.

It is a super-2 number, since 2×22100122121123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100122121095 and 22100122121104.

It is not an unprimeable number, because it can be changed into a prime (22100122121323) 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, 102623498 + ... + 102838623.

It is an arithmetic number, because the mean of its divisors is an integer number (5525081922702).

Almost surely, 2^{22100122121123} is an apocalyptic number.

22100122121123 is a deficient number, since it is larger than the sum of its proper divisors (205569685).

22100122121123 is a wasteful number, since it uses less digits than its factorization.

22100122121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205569684.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22100122121123 its reverse (32112122100122), we get a palindrome (54212244221245).

The spelling of 22100122121123 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-three".