121311133020330 has 32 divisors (see below), whose sum is σ = 317614602817728. Its totient is φ = 29408759520000.

The previous prime is 121311133020317. The next prime is 121311133020373. The reversal of 121311133020330 is 33020331113121.

It is a self number, because there is not a number n which added to its sum of digits gives 121311133020330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183804746671 + ... + 183804747330.

It is an arithmetic number, because the mean of its divisors is an integer number (9925456338054).

Almost surely, 2^{121311133020330} is an apocalyptic number.

121311133020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311133020330 is an abundant number, since it is smaller than the sum of its proper divisors (196303469797398).

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

121311133020330 is a wasteful number, since it uses less digits than its factorization.

121311133020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367609494022.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 121311133020330 its reverse (33020331113121), we get a palindrome (154331464133451).

The spelling of 121311133020330 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred thirty-three million, twenty thousand, three hundred thirty".