2121333410430 has 128 divisors (see below), whose sum is σ = 6356905712640. Its totient is φ = 499471125120.

The previous prime is 2121333410423. The next prime is 2121333410479. The reversal of 2121333410430 is 340143331212.

It is a happy number.

2121333410430 is a `hidden beast` number, since 2 + 1 + 213 + 3 + 3 + 4 + 10 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2121333410394 and 2121333410403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13057716 + ... + 13219175.

It is an arithmetic number, because the mean of its divisors is an integer number (49663325880).

Almost surely, 2^{2121333410430} is an apocalyptic number.

2121333410430 is an abundant number, since it is smaller than the sum of its proper divisors (4235572302210).

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

2121333410430 is a wasteful number, since it uses less digits than its factorization.

2121333410430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26276943 (or 26276937 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2121333410430 its reverse (340143331212), we get a palindrome (2461476741642).

The spelling of 2121333410430 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-three million, four hundred ten thousand, four hundred thirty".