2013221420425 has 24 divisors (see below), whose sum is σ = 2498384736000. Its totient is φ = 1609293766080.

The previous prime is 2013221420389. The next prime is 2013221420437. The reversal of 2013221420425 is 5240241223102.

It is a de Polignac number, because none of the positive numbers 2^k-2013221420425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013221420393 and 2013221420402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213282856 + ... + 213292294.

It is an arithmetic number, because the mean of its divisors is an integer number (104099364000).

Almost surely, 2^{2013221420425} is an apocalyptic number.

2013221420425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013221420425 is a deficient number, since it is larger than the sum of its proper divisors (485163315575).

2013221420425 is a wasteful number, since it uses less digits than its factorization.

2013221420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345 (or 15340 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2013221420425 its reverse (5240241223102), we get a palindrome (7253462643527).

The spelling of 2013221420425 in words is "two trillion, thirteen billion, two hundred twenty-one million, four hundred twenty thousand, four hundred twenty-five".