2231211100 has 36 divisors (see below), whose sum is σ = 4852422064. Its totient is φ = 890513280.

The previous prime is 2231211023. The next prime is 2231211127. The reversal of 2231211100 is 11121322.

2231211100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231211100³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21289 + ... + 70111.

Almost surely, 2^2231211100 is an apocalyptic number.

2231211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231211100 is an abundant number, since it is smaller than the sum of its proper divisors (2621210964).

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

2231211100 is a wasteful number, since it uses less digits than its factorization.

2231211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49294 (or 49287 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2231211100 is about 47235.6973061688. The cubic root of 2231211100 is about 1306.7130266362.

Adding to 2231211100 its reverse (11121322), we get a palindrome (2242332422).

The spelling of 2231211100 in words is "two billion, two hundred thirty-one million, two hundred eleven thousand, one hundred".