102411121 has 4 divisors (see below), whose sum is σ = 107801200. Its totient is φ = 97021044.

The previous prime is 102411119. The next prime is 102411139. The reversal of 102411121 is 121114201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102411121 - 2¹ = 102411119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102411161) 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, 2695011 + ... + 2695048.

It is an arithmetic number, because the mean of its divisors is an integer number (26950300).

Almost surely, 2^102411121 is an apocalyptic number.

It is an amenable number.

102411121 is a deficient number, since it is larger than the sum of its proper divisors (5390079).

102411121 is an equidigital number, since it uses as much as digits as its factorization.

102411121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390078.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 102411121 is about 10119.8379927744. The cubic root of 102411121 is about 467.8597739600.

Adding to 102411121 its reverse (121114201), we get a palindrome (223525322).

The spelling of 102411121 in words is "one hundred two million, four hundred eleven thousand, one hundred twenty-one".