21032310122 has 16 divisors (see below), whose sum is σ = 32054242752. Its totient is φ = 10348864800.

The previous prime is 21032310119. The next prime is 21032310133. The reversal of 21032310122 is 22101323012.

It is a self number, because there is not a number n which added to its sum of digits gives 21032310122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293123 + ... + 357750.

It is an arithmetic number, because the mean of its divisors is an integer number (2003390172).

Almost surely, 2^21032310122 is an apocalyptic number.

21032310122 is a deficient number, since it is larger than the sum of its proper divisors (11021932630).

21032310122 is a wasteful number, since it uses less digits than its factorization.

21032310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651133.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21032310122 its reverse (22101323012), we get a palindrome (43133633134).

The spelling of 21032310122 in words is "twenty-one billion, thirty-two million, three hundred ten thousand, one hundred twenty-two".