10200021232122 has 24 divisors (see below), whose sum is σ = 22175472792564. Its totient is φ = 3388402955904.

The previous prime is 10200021232097. The next prime is 10200021232139. The reversal of 10200021232122 is 22123212000201.

It can be written as a sum of positive squares in 2 ways, for example, as 9018063054081 + 1181958178041 = 3003009^2 + 1087179^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10200021232095 and 10200021232104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 967004703 + ... + 967015250.

Almost surely, 2^{10200021232122} is an apocalyptic number.

10200021232122 is an abundant number, since it is smaller than the sum of its proper divisors (11975451560442).

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

10200021232122 is a wasteful number, since it uses less digits than its factorization.

10200021232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934020254 (or 1934020251 counting only the distinct ones).

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

Adding to 10200021232122 its reverse (22123212000201), we get a palindrome (32323233232323).

The spelling of 10200021232122 in words is "ten trillion, two hundred billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".