21113225430262 has 24 divisors (see below), whose sum is σ = 37624262781024. Its totient is φ = 8856003370032.

The previous prime is 21113225430257. The next prime is 21113225430277. The reversal of 21113225430262 is 26203452231112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2291921733 + ... + 2291930944.

It is an arithmetic number, because the mean of its divisors is an integer number (1567677615876).

Almost surely, 2^{21113225430262} is an apocalyptic number.

21113225430262 is a deficient number, since it is larger than the sum of its proper divisors (16511037350762).

21113225430262 is a wasteful number, since it uses less digits than its factorization.

21113225430262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583852740 (or 4583852733 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 21113225430262 its reverse (26203452231112), we get a palindrome (47316677661374).

The spelling of 21113225430262 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-five million, four hundred thirty thousand, two hundred sixty-two".