10021122 has 24 divisors (see below), whose sum is σ = 22414080. Its totient is φ = 3232440.

The previous prime is 10021111. The next prime is 10021127. The reversal of 10021122 is 22112001.

It is a super-2 number, since 2×10021122² = 200845772277768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10021127) 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, 8422 + ... + 9537.

It is an arithmetic number, because the mean of its divisors is an integer number (933920).

Almost surely, 2^10021122 is an apocalyptic number.

10021122 is an abundant number, since it is smaller than the sum of its proper divisors (12392958).

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

10021122 is a wasteful number, since it uses less digits than its factorization.

10021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998 (or 17995 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10021122 is about 3165.6155799465. The cubic root of 10021122 is about 215.5950488960.

Adding to 10021122 its reverse (22112001), we get a palindrome (32133123).

The spelling of 10021122 in words is "ten million, twenty-one thousand, one hundred twenty-two".