213241421100 has 36 divisors (see below), whose sum is σ = 616978512584. Its totient is φ = 56864378880.

The previous prime is 213241421083. The next prime is 213241421101. The reversal of 213241421100 is 1124142312.

It is not an unprimeable number, because it can be changed into a prime (213241421101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355402069 + ... + 355402668.

Almost surely, 2^213241421100 is an apocalyptic number.

213241421100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213241421100 is an abundant number, since it is smaller than the sum of its proper divisors (403737091484).

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

213241421100 is a wasteful number, since it uses less digits than its factorization.

213241421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710804754 (or 710804747 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 213241421100 its reverse (1124142312), we get a palindrome (214365563412).

The spelling of 213241421100 in words is "two hundred thirteen billion, two hundred forty-one million, four hundred twenty-one thousand, one hundred".