22000121210123 has 8 divisors (see below), whose sum is σ = 25152010748640. Its totient is φ = 18850485441600.

The previous prime is 22000121210117. The next prime is 22000121210147. The reversal of 22000121210123 is 32101212100022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000121210123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000121210153) 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, 563421578 + ... + 563460623.

It is an arithmetic number, because the mean of its divisors is an integer number (3144001343580).

Almost surely, 2^{22000121210123} is an apocalyptic number.

22000121210123 is a deficient number, since it is larger than the sum of its proper divisors (3151889538517).

22000121210123 is a wasteful number, since it uses less digits than its factorization.

22000121210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126884997.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22000121210123 its reverse (32101212100022), we get a palindrome (54101333310145).

The spelling of 22000121210123 in words is "twenty-two trillion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-three".