110100112121101 has 4 divisors (see below), whose sum is σ = 110100173213052. Its totient is φ = 110100051029152.

The previous prime is 110100112121071. The next prime is 110100112121137. The reversal of 110100112121101 is 101121211001011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14061562515625 + 96038549605476 = 3749875^2 + 9799926^2 .

It is a cyclic number.

It is not a de Polignac number, because 110100112121101 - 2²⁵ = 110100078566669 is a prime.

It is a super-2 number, since 2×110100112121101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110100112131101) 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, 27757840 + ... + 31475353.

It is an arithmetic number, because the mean of its divisors is an integer number (27525043303263).

Almost surely, 2^{110100112121101} is an apocalyptic number.

It is an amenable number.

110100112121101 is a deficient number, since it is larger than the sum of its proper divisors (61091951).

110100112121101 is an equidigital number, since it uses as much as digits as its factorization.

110100112121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61091950.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 110100112121101 its reverse (101121211001011), we get a palindrome (211221323122112).

The spelling of 110100112121101 in words is "one hundred ten trillion, one hundred billion, one hundred twelve million, one hundred twenty-one thousand, one hundred one".