121022301223 has 4 divisors (see below), whose sum is σ = 121318199680. Its totient is φ = 120726402768.

The previous prime is 121022301217. The next prime is 121022301227. The reversal of 121022301223 is 322103220121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322103220121 = 19 ⋅16952801059.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121022301223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121022301223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022301227) 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, 147948615 + ... + 147949432.

It is an arithmetic number, because the mean of its divisors is an integer number (30329549920).

Almost surely, 2^121022301223 is an apocalyptic number.

121022301223 is a deficient number, since it is larger than the sum of its proper divisors (295898457).

121022301223 is an equidigital number, since it uses as much as digits as its factorization.

121022301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295898456.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121022301223 its reverse (322103220121), we get a palindrome (443125521344).

The spelling of 121022301223 in words is "one hundred twenty-one billion, twenty-two million, three hundred one thousand, two hundred twenty-three".