2140304111421 has 48 divisors (see below), whose sum is σ = 3383836170624. Its totient is φ = 1178731991808.

The previous prime is 2140304111381. The next prime is 2140304111483. The reversal of 2140304111421 is 1241114030412.

It is a happy number.

It is not a de Polignac number, because 2140304111421 - 2⁹ = 2140304110909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2140304111391 and 2140304111400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140304111321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9728391 + ... + 9945963.

It is an arithmetic number, because the mean of its divisors is an integer number (70496586888).

Almost surely, 2^{2140304111421} is an apocalyptic number.

2140304111421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2140304111421 is a deficient number, since it is larger than the sum of its proper divisors (1243532059203).

2140304111421 is a wasteful number, since it uses less digits than its factorization.

2140304111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218198 (or 218169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2140304111421 its reverse (1241114030412), we get a palindrome (3381418141833).

The spelling of 2140304111421 in words is "two trillion, one hundred forty billion, three hundred four million, one hundred eleven thousand, four hundred twenty-one".