101122101123 has 4 divisors (see below), whose sum is σ = 134829468168. Its totient is φ = 67414734080.

The previous prime is 101122101121. The next prime is 101122101137. The reversal of 101122101123 is 321101221101.

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 101122101123 - 2¹ = 101122101121 is a prime.

It is a super-2 number, since 2×101122101123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101122101121) 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, 16853683518 + ... + 16853683523.

It is an arithmetic number, because the mean of its divisors is an integer number (33707367042).

Almost surely, 2^101122101123 is an apocalyptic number.

101122101123 is a deficient number, since it is larger than the sum of its proper divisors (33707367045).

101122101123 is an equidigital number, since it uses as much as digits as its factorization.

101122101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33707367044.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101122101123 its reverse (321101221101), we get a palindrome (422223322224).

The spelling of 101122101123 in words is "one hundred one billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-three".