121552052241 has 16 divisors (see below), whose sum is σ = 166033179648. Its totient is φ = 79053072000.

The previous prime is 121552052177. The next prime is 121552052263. The reversal of 121552052241 is 142250255121.

It is not a de Polignac number, because 121552052241 - 2⁶ = 121552052177 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121552052199 and 121552052208.

It is not an unprimeable number, because it can be changed into a prime (121552052441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3026391 + ... + 3066291.

It is an arithmetic number, because the mean of its divisors is an integer number (10377073728).

Almost surely, 2^121552052241 is an apocalyptic number.

It is an amenable number.

121552052241 is a deficient number, since it is larger than the sum of its proper divisors (44481127407).

121552052241 is a wasteful number, since it uses less digits than its factorization.

121552052241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64712.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 121552052241 in words is "one hundred twenty-one billion, five hundred fifty-two million, fifty-two thousand, two hundred forty-one".