121299267223 has 4 divisors (see below), whose sum is σ = 121619318440. Its totient is φ = 120979216008.

The previous prime is 121299267217. The next prime is 121299267241. The reversal of 121299267223 is 322762992121.

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 121299267223 - 2¹³ = 121299259031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121299267293) 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, 160025040 + ... + 160025797.

It is an arithmetic number, because the mean of its divisors is an integer number (30404829610).

Almost surely, 2^121299267223 is an apocalyptic number.

121299267223 is a deficient number, since it is larger than the sum of its proper divisors (320051217).

121299267223 is an equidigital number, since it uses as much as digits as its factorization.

121299267223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320051216.

The product of its digits is 326592, while the sum is 46.

The spelling of 121299267223 in words is "one hundred twenty-one billion, two hundred ninety-nine million, two hundred sixty-seven thousand, two hundred twenty-three".