10021120122 has 16 divisors (see below), whose sum is σ = 21583951200. Its totient is φ = 3083421552.

The previous prime is 10021120103. The next prime is 10021120129. The reversal of 10021120122 is 22102112001.

It is a junction number, because it is equal to n+sod(n) for n = 10021120098 and 10021120107.

It is not an unprimeable number, because it can be changed into a prime (10021120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64237872 + ... + 64238027.

It is an arithmetic number, because the mean of its divisors is an integer number (1348996950).

Almost surely, 2^10021120122 is an apocalyptic number.

10021120122 is an abundant number, since it is smaller than the sum of its proper divisors (11562831078).

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

10021120122 is a wasteful number, since it uses less digits than its factorization.

10021120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128475917.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10021120122 its reverse (22102112001), we get a palindrome (32123232123).

The spelling of 10021120122 in words is "ten billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".