20220122112123 has 4 divisors (see below), whose sum is σ = 26960162816168. Its totient is φ = 13480081408080.

The previous prime is 20220122112103. The next prime is 20220122112131. The reversal of 20220122112123 is 32121122102202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20220122112123 - 2²¹ = 20220120014971 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 20220122112123.

It is not an unprimeable number, because it can be changed into a prime (20220122112103) 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, 3370020352018 + ... + 3370020352023.

It is an arithmetic number, because the mean of its divisors is an integer number (6740040704042).

Almost surely, 2^{20220122112123} is an apocalyptic number.

20220122112123 is a deficient number, since it is larger than the sum of its proper divisors (6740040704045).

20220122112123 is an equidigital number, since it uses as much as digits as its factorization.

20220122112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740040704044.

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

Adding to 20220122112123 its reverse (32121122102202), we get a palindrome (52341244214325).

The spelling of 20220122112123 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-three".