121113331111222 has 4 divisors (see below), whose sum is σ = 181669996666836. Its totient is φ = 60556665555610.

The previous prime is 121113331111211. The next prime is 121113331111303. The reversal of 121113331111222 is 222111133311121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30278332777804 + ... + 30278332777807.

It is an arithmetic number, because the mean of its divisors is an integer number (45417499166709).

Almost surely, 2^{121113331111222} is an apocalyptic number.

121113331111222 is a deficient number, since it is larger than the sum of its proper divisors (60556665555614).

121113331111222 is an equidigital number, since it uses as much as digits as its factorization.

121113331111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60556665555613.

The product of its digits is 432, while the sum is 25.

Adding to 121113331111222 its reverse (222111133311121), we get a palindrome (343224464422343).

The spelling of 121113331111222 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred thirty-one million, one hundred eleven thousand, two hundred twenty-two".