2100003122 has 16 divisors (see below), whose sum is σ = 3645576960. Its totient is φ = 888608448.

The previous prime is 2100003121. The next prime is 2100003127. The reversal of 2100003122 is 2213000012.

It is a happy number.

It is a super-2 number, since 2×2100003122² = 8820026224819493768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100003121) 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, 948263 + ... + 950474.

It is an arithmetic number, because the mean of its divisors is an integer number (227848560).

Almost surely, 2^2100003122 is an apocalyptic number.

2100003122 is a deficient number, since it is larger than the sum of its proper divisors (1545573838).

2100003122 is a wasteful number, since it uses less digits than its factorization.

2100003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898825.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100003122 is about 45825.7910133584. The cubic root of 2100003122 is about 1280.5797995853.

Adding to 2100003122 its reverse (2213000012), we get a palindrome (4313003134).

The spelling of 2100003122 in words is "two billion, one hundred million, three thousand, one hundred twenty-two".