213332223100 has 72 divisors (see below), whose sum is σ = 490411892880. Its totient is φ = 80272389120.

The previous prime is 213332223067. The next prime is 213332223109. The reversal of 213332223100 is 1322233312.

It is a super-2 number, since 2×213332223100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213332223109) 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, 3414946 + ... + 3476854.

It is an arithmetic number, because the mean of its divisors is an integer number (6811276290).

Almost surely, 2^213332223100 is an apocalyptic number.

213332223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213332223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245205946440).

213332223100 is an abundant number, since it is smaller than the sum of its proper divisors (277079669780).

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

213332223100 is a wasteful number, since it uses less digits than its factorization.

213332223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63967 (or 63960 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213332223100 its reverse (1322233312), we get a palindrome (214654456412).

The spelling of 213332223100 in words is "two hundred thirteen billion, three hundred thirty-two million, two hundred twenty-three thousand, one hundred".