10213222123 has 12 divisors (see below), whose sum is σ = 11062213848. Its totient is φ = 9425095680.

The previous prime is 10213222109. The next prime is 10213222157. The reversal of 10213222123 is 32122231201.

It is not a de Polignac number, because 10213222123 - 2⁵ = 10213222091 is a prime.

It is a super-2 number, since 2×10213222123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10213222123.

It is not an unprimeable number, because it can be changed into a prime (10213222163) 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, 1031211 + ... + 1041067.

It is an arithmetic number, because the mean of its divisors is an integer number (921851154).

Almost surely, 2^10213222123 is an apocalyptic number.

10213222123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10213222123 is a deficient number, since it is larger than the sum of its proper divisors (848991725).

10213222123 is an equidigital number, since it uses as much as digits as its factorization.

10213222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014 (or 16001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10213222123 its reverse (32122231201), we get a palindrome (42335453324).

The spelling of 10213222123 in words is "ten billion, two hundred thirteen million, two hundred twenty-two thousand, one hundred twenty-three".