121410211 has 16 divisors (see below), whose sum is σ = 135828000. Its totient is φ = 107751168.

The previous prime is 121410203. The next prime is 121410217. The reversal of 121410211 is 112014121.

It is a cyclic number.

It is not a de Polignac number, because 121410211 - 2³ = 121410203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121410191 and 121410200.

It is not an unprimeable number, because it can be changed into a prime (121410217) 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, 115215 + ... + 116263.

It is an arithmetic number, because the mean of its divisors is an integer number (8489250).

Almost surely, 2^121410211 is an apocalyptic number.

121410211 is a deficient number, since it is larger than the sum of its proper divisors (14417789).

121410211 is a wasteful number, since it uses less digits than its factorization.

121410211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

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

The square root of 121410211 is about 11018.6301780212. The cubic root of 121410211 is about 495.1670503761.

Adding to 121410211 its reverse (112014121), we get a palindrome (233424332).

The spelling of 121410211 in words is "one hundred twenty-one million, four hundred ten thousand, two hundred eleven".