2201023100 has 18 divisors (see below), whose sum is σ = 4776220344. Its totient is φ = 880409200.

The previous prime is 2201023091. The next prime is 2201023109. The reversal of 2201023100 is 13201022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2201023091) and next prime (2201023109).

It is a super-2 number, since 2×2201023100² = 9689005373467220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201023109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11005016 + ... + 11005215.

Almost surely, 2^2201023100 is an apocalyptic number.

2201023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201023100 is an abundant number, since it is smaller than the sum of its proper divisors (2575197244).

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

2201023100 is a wasteful number, since it uses less digits than its factorization.

2201023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22010245 (or 22010238 counting only the distinct ones).

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

The square root of 2201023100 is about 46915.0626131949. The cubic root of 2201023100 is about 1300.7930269868.

Adding to 2201023100 its reverse (13201022), we get a palindrome (2214224122).

The spelling of 2201023100 in words is "two billion, two hundred one million, twenty-three thousand, one hundred".