121310322201112 has 16 divisors (see below), whose sum is σ = 248134749957000. Its totient is φ = 55141055545920.

The previous prime is 121310322201097. The next prime is 121310322201137. The reversal of 121310322201112 is 211102223013121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689263194237 + ... + 689263194412.

Almost surely, 2^{121310322201112} is an apocalyptic number.

It is an amenable number.

121310322201112 is an abundant number, since it is smaller than the sum of its proper divisors (126824427755888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121310322201112 is a wasteful number, since it uses less digits than its factorization.

121310322201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378526388666 (or 1378526388662 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121310322201112 its reverse (211102223013121), we get a palindrome (332412545214233).

The spelling of 121310322201112 in words is "one hundred twenty-one trillion, three hundred ten billion, three hundred twenty-two million, two hundred one thousand, one hundred twelve".