121222032223 has 4 divisors (see below), whose sum is σ = 122354948520. Its totient is φ = 120089115928.

The previous prime is 121222032199. The next prime is 121222032229. The reversal of 121222032223 is 322230222121.

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 121222032223 - 2²¹ = 121219935071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121222032194 and 121222032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222032229) 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, 566457988 + ... + 566458201.

It is an arithmetic number, because the mean of its divisors is an integer number (30588737130).

Almost surely, 2^121222032223 is an apocalyptic number.

121222032223 is a deficient number, since it is larger than the sum of its proper divisors (1132916297).

121222032223 is a wasteful number, since it uses less digits than its factorization.

121222032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132916296.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121222032223 its reverse (322230222121), we get a palindrome (443452254344).

The spelling of 121222032223 in words is "one hundred twenty-one billion, two hundred twenty-two million, thirty-two thousand, two hundred twenty-three".