2201213100 has 72 divisors (see below), whose sum is σ = 6588484560. Its totient is φ = 566746880.

The previous prime is 2201213093. The next prime is 2201213191. The reversal of 2201213100 is 13121022.

It is a super-2 number, since 2×2201213100² = 9690678223223220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117807 + ... + 135206.

It is an arithmetic number, because the mean of its divisors is an integer number (91506730).

Almost surely, 2^2201213100 is an apocalyptic number.

2201213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201213100 is an abundant number, since it is smaller than the sum of its proper divisors (4387271460).

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

2201213100 is a wasteful number, since it uses less digits than its factorization.

2201213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253059 (or 253052 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2201213100 is about 46917.0875055134. The cubic root of 2201213100 is about 1300.8304555754.

Adding to 2201213100 its reverse (13121022), we get a palindrome (2214334122).

The spelling of 2201213100 in words is "two billion, two hundred one million, two hundred thirteen thousand, one hundred".