213100244033100 has 144 divisors (see below), whose sum is σ = 627681606389376. Its totient is φ = 55811568384000.

The previous prime is 213100244033093. The next prime is 213100244033101. The reversal of 213100244033100 is 1330442001312.

It is a happy number.

It is a super-2 number, since 2×213100244033100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213100244033101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24138406 + ... + 31762605.

Almost surely, 2^{213100244033100} is an apocalyptic number.

213100244033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213100244033100 is an abundant number, since it is smaller than the sum of its proper divisors (414581362356276).

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

213100244033100 is a wasteful number, since it uses less digits than its factorization.

213100244033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55901256 (or 55901249 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213100244033100 its reverse (1330442001312), we get a palindrome (214430686034412).

The spelling of 213100244033100 in words is "two hundred thirteen trillion, one hundred billion, two hundred forty-four million, thirty-three thousand, one hundred".