10621112263 has 4 divisors (see below), whose sum is σ = 10621330720. Its totient is φ = 10620893808.

The previous prime is 10621112237. The next prime is 10621112323. The reversal of 10621112263 is 36221112601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36221112601 = 83 ⋅436398947.

It is a cyclic number.

It is not a de Polignac number, because 10621112263 - 2⁵ = 10621112231 is a prime.

It is a super-2 number, since 2×10621112263² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621112363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331 + ... + 145747.

It is an arithmetic number, because the mean of its divisors is an integer number (2655332680).

Almost surely, 2^10621112263 is an apocalyptic number.

10621112263 is a deficient number, since it is larger than the sum of its proper divisors (218457).

10621112263 is an equidigital number, since it uses as much as digits as its factorization.

10621112263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218456.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10621112263 its reverse (36221112601), we get a palindrome (46842224864).

The spelling of 10621112263 in words is "ten billion, six hundred twenty-one million, one hundred twelve thousand, two hundred sixty-three".