121364211 has 4 divisors (see below), whose sum is σ = 161818952. Its totient is φ = 80909472.

The previous prime is 121364203. The next prime is 121364213. The reversal of 121364211 is 112463121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121364211 - 2³ = 121364203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121364213) 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, 20227366 + ... + 20227371.

It is an arithmetic number, because the mean of its divisors is an integer number (40454738).

Almost surely, 2^121364211 is an apocalyptic number.

121364211 is a deficient number, since it is larger than the sum of its proper divisors (40454741).

121364211 is an equidigital number, since it uses as much as digits as its factorization.

121364211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40454740.

The product of its digits is 288, while the sum is 21.

The square root of 121364211 is about 11016.5426064623. The cubic root of 121364211 is about 495.1045060442.

The spelling of 121364211 in words is "one hundred twenty-one million, three hundred sixty-four thousand, two hundred eleven".