2221330223100 has 72 divisors (see below), whose sum is σ = 6648671176560. Its totient is φ = 571928698880.

The previous prime is 2221330223093. The next prime is 2221330223107. The reversal of 2221330223100 is 13220331222.

It is a happy number.

2221330223100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2221330223093) and next prime (2221330223107).

It is a super-2 number, since 2×2221330223100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221330223107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127653957 + ... + 127671356.

It is an arithmetic number, because the mean of its divisors is an integer number (92342655230).

Almost surely, 2^{2221330223100} is an apocalyptic number.

2221330223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221330223100 is an abundant number, since it is smaller than the sum of its proper divisors (4427340953460).

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

2221330223100 is a wasteful number, since it uses less digits than its factorization.

2221330223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255325359 (or 255325352 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2221330223100 its reverse (13220331222), we get a palindrome (2234550554322).

The spelling of 2221330223100 in words is "two trillion, two hundred twenty-one billion, three hundred thirty million, two hundred twenty-three thousand, one hundred".