121400311330 has 32 divisors (see below), whose sum is σ = 230333169600. Its totient is φ = 45942023232.

The previous prime is 121400311327. The next prime is 121400311397. The reversal of 121400311330 is 33113004121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 121400311298 and 121400311307.

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, 291897 + ... + 572716.

It is an arithmetic number, because the mean of its divisors is an integer number (7197911550).

Almost surely, 2^121400311330 is an apocalyptic number.

121400311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121400311330 is a deficient number, since it is larger than the sum of its proper divisors (108932858270).

121400311330 is a wasteful number, since it uses less digits than its factorization.

121400311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865378.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121400311330 its reverse (33113004121), we get a palindrome (154513315451).

The spelling of 121400311330 in words is "one hundred twenty-one billion, four hundred million, three hundred eleven thousand, three hundred thirty".