1421120611320 has 128 divisors (see below), whose sum is σ = 4345642483200. Its totient is φ = 371657721344.

The previous prime is 1421120611303. The next prime is 1421120611453. The reversal of 1421120611320 is 231160211241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15364171 + ... + 15456389.

It is an arithmetic number, because the mean of its divisors is an integer number (33950331900).

Almost surely, 2^{1421120611320} is an apocalyptic number.

1421120611320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421120611320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172821241600).

1421120611320 is an abundant number, since it is smaller than the sum of its proper divisors (2924521871880).

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

1421120611320 is a wasteful number, since it uses less digits than its factorization.

1421120611320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94709 (or 94705 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1421120611320 its reverse (231160211241), we get a palindrome (1652280822561).

The spelling of 1421120611320 in words is "one trillion, four hundred twenty-one billion, one hundred twenty million, six hundred eleven thousand, three hundred twenty".