121333331229 has 16 divisors (see below), whose sum is σ = 176620353024. Its totient is φ = 73478890800.

The previous prime is 121333331179. The next prime is 121333331239. The reversal of 121333331229 is 922133333121.

It is not a de Polignac number, because 121333331229 - 2⁸ = 121333330973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 121333331229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333331239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367887 + ... + 1453884.

It is an arithmetic number, because the mean of its divisors is an integer number (11038772064).

Almost surely, 2^121333331229 is an apocalyptic number.

It is an amenable number.

121333331229 is a deficient number, since it is larger than the sum of its proper divisors (55287021795).

121333331229 is a wasteful number, since it uses less digits than its factorization.

121333331229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823088.

The product of its digits is 17496, while the sum is 33.

The spelling of 121333331229 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-nine".