10402222120 has 16 divisors (see below), whose sum is σ = 23404999860. Its totient is φ = 4160888832.

The previous prime is 10402222111. The next prime is 10402222133. The reversal of 10402222120 is 2122220401.

It can be written as a sum of positive squares in 2 ways, for example, as 10212719364 + 189502756 = 101058^2 + 13766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10402222094 and 10402222103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130027737 + ... + 130027816.

Almost surely, 2^10402222120 is an apocalyptic number.

10402222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402222120 is an abundant number, since it is smaller than the sum of its proper divisors (13002777740).

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

10402222120 is a wasteful number, since it uses less digits than its factorization.

10402222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260055564 (or 260055560 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10402222120 its reverse (2122220401), we get a palindrome (12524442521).

The spelling of 10402222120 in words is "ten billion, four hundred two million, two hundred twenty-two thousand, one hundred twenty".