121352462111 has 4 divisors (see below), whose sum is σ = 125537029800. Its totient is φ = 117167894424.

The previous prime is 121352462093. The next prime is 121352462123. The reversal of 121352462111 is 111264253121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121352462111 - 2²⁶ = 121285353247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4184567659 = 121352462111 / (1 + 2 + 1 + 3 + 5 + 2 + 4 + 6 + 2 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121352462171) 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, 2092283801 + ... + 2092283858.

It is an arithmetic number, because the mean of its divisors is an integer number (31384257450).

Almost surely, 2^121352462111 is an apocalyptic number.

121352462111 is a deficient number, since it is larger than the sum of its proper divisors (4184567689).

121352462111 is an equidigital number, since it uses as much as digits as its factorization.

121352462111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184567688.

The product of its digits is 2880, while the sum is 29.

The spelling of 121352462111 in words is "one hundred twenty-one billion, three hundred fifty-two million, four hundred sixty-two thousand, one hundred eleven".