121410022241 has 4 divisors (see below), whose sum is σ = 121449076500. Its totient is φ = 121370967984.

The previous prime is 121410022231. The next prime is 121410022267. The reversal of 121410022241 is 142220014121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142220014121 = 31 ⋅4587742391.

It can be written as a sum of positive squares in 2 ways, for example, as 26804565841 + 94605456400 = 163721^2 + 307580^2 .

It is a cyclic number.

It is not a de Polignac number, because 121410022241 - 2¹⁰ = 121410021217 is a prime.

It is a super-2 number, since 2×121410022241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121410022231) 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, 19522466 + ... + 19528683.

It is an arithmetic number, because the mean of its divisors is an integer number (30362269125).

Almost surely, 2^121410022241 is an apocalyptic number.

It is an amenable number.

121410022241 is a deficient number, since it is larger than the sum of its proper divisors (39054259).

121410022241 is an equidigital number, since it uses as much as digits as its factorization.

121410022241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39054258.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121410022241 its reverse (142220014121), we get a palindrome (263630036362).

The spelling of 121410022241 in words is "one hundred twenty-one billion, four hundred ten million, twenty-two thousand, two hundred forty-one".