10402211223 has 12 divisors (see below), whose sum is σ = 15030542800. Its totient is φ = 6932441376.

The previous prime is 10402211179. The next prime is 10402211251. The reversal of 10402211223 is 32211220401.

It is a happy number.

It is not a de Polignac number, because 10402211223 - 2²¹ = 10400114071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10402211196 and 10402211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402211263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169123 + ... + 222276.

Almost surely, 2^10402211223 is an apocalyptic number.

10402211223 is a deficient number, since it is larger than the sum of its proper divisors (4628331577).

10402211223 is a wasteful number, since it uses less digits than its factorization.

10402211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394358 (or 394355 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10402211223 its reverse (32211220401), we get a palindrome (42613431624).

The spelling of 10402211223 in words is "ten billion, four hundred two million, two hundred eleven thousand, two hundred twenty-three".