121110112202101 has 48 divisors (see below), whose sum is σ = 139869208007424. Its totient is φ = 103934937024000.

The previous prime is 121110112202063. The next prime is 121110112202153. The reversal of 121110112202101 is 101202211011121.

It is not a de Polignac number, because 121110112202101 - 2¹³ = 121110112193909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110112202161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3945324985 + ... + 3945355681.

It is an arithmetic number, because the mean of its divisors is an integer number (2913941833488).

Almost surely, 2^{121110112202101} is an apocalyptic number.

121110112202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121110112202101 is a deficient number, since it is larger than the sum of its proper divisors (18759095805323).

121110112202101 is a wasteful number, since it uses less digits than its factorization.

121110112202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39914 (or 39883 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121110112202101 its reverse (101202211011121), we get a palindrome (222312323213222).

It can be divided in two parts, 121110 and 112202101, that added together give a palindrome (112323211).

The spelling of 121110112202101 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred twelve million, two hundred two thousand, one hundred one".