121223303311020 has 48 divisors (see below), whose sum is σ = 339866634639840. Its totient is φ = 32284177514496.

The previous prime is 121223303311003. The next prime is 121223303311039. The reversal of 121223303311020 is 20113303322121.

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, 1313600407 + ... + 1313692686.

It is an arithmetic number, because the mean of its divisors is an integer number (7080554888330).

Almost surely, 2^{121223303311020} is an apocalyptic number.

121223303311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121223303311020 is an abundant number, since it is smaller than the sum of its proper divisors (218643331328820).

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

121223303311020 is a wasteful number, since it uses less digits than its factorization.

121223303311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627293874 (or 2627293872 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121223303311020 its reverse (20113303322121), we get a palindrome (141336606633141).

The spelling of 121223303311020 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, three hundred three million, three hundred eleven thousand, twenty".