101101123 has 4 divisors (see below), whose sum is σ = 105496848. Its totient is φ = 96705400.

The previous prime is 101101111. The next prime is 101101139. The reversal of 101101123 is 321101101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101101123 is a prime.

It is a super-2 number, since 2×101101123² = 20442874143722258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101101103) 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, 2197828 + ... + 2197873.

It is an arithmetic number, because the mean of its divisors is an integer number (26374212).

Almost surely, 2^101101123 is an apocalyptic number.

101101123 is a deficient number, since it is larger than the sum of its proper divisors (4395725).

101101123 is an equidigital number, since it uses as much as digits as its factorization.

101101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395724.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101101123 is about 10054.9054197441. The cubic root of 101101123 is about 465.8563216357.

Adding to 101101123 its reverse (321101101), we get a palindrome (422202224).

The spelling of 101101123 in words is "one hundred one million, one hundred one thousand, one hundred twenty-three".