101201121123 has 8 divisors (see below), whose sum is σ = 134941885008. Its totient is φ = 67463885664.

The previous prime is 101201121103. The next prime is 101201121137. The reversal of 101201121123 is 321121102101.

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

It is not a de Polignac number, because 101201121123 - 2²⁵ = 101167566691 is a prime.

It is a super-2 number, since 2×101201121123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101201121103) 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, 814440 + ... + 930437.

It is an arithmetic number, because the mean of its divisors is an integer number (16867735626).

Almost surely, 2^101201121123 is an apocalyptic number.

101201121123 is a deficient number, since it is larger than the sum of its proper divisors (33740763885).

101201121123 is a wasteful number, since it uses less digits than its factorization.

101201121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764213.

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

Adding to 101201121123 its reverse (321121102101), we get a palindrome (422322223224).

The spelling of 101201121123 in words is "one hundred one billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-three".