121144322112 has 56 divisors (see below), whose sum is σ = 349666572192. Its totient is φ = 36710400000.

The previous prime is 121144322099. The next prime is 121144322113. The reversal of 121144322112 is 211223441121.

It is a super-3 number, since 3×121144322112³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121144322113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28677889 + ... + 28682112.

It is an arithmetic number, because the mean of its divisors is an integer number (6244045932).

Almost surely, 2^121144322112 is an apocalyptic number.

121144322112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121144322112 is an abundant number, since it is smaller than the sum of its proper divisors (228522250080).

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

121144322112 is a wasteful number, since it uses less digits than its factorization.

121144322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57360027 (or 57360017 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 121144322112 its reverse (211223441121), we get a palindrome (332367763233).

The spelling of 121144322112 in words is "one hundred twenty-one billion, one hundred forty-four million, three hundred twenty-two thousand, one hundred twelve".