213120341443100 has 144 divisors (see below), whose sum is σ = 569209767909888. Its totient is φ = 67447354786560.

The previous prime is 213120341443073. The next prime is 213120341443103. The reversal of 213120341443100 is 1344143021312.

It is a super-2 number, since 2×213120341443100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120341443103) 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, 383624129 + ... + 384179271.

Almost surely, 2^{213120341443100} is an apocalyptic number.

213120341443100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213120341443100 is an abundant number, since it is smaller than the sum of its proper divisors (356089426466788).

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

213120341443100 is a wasteful number, since it uses less digits than its factorization.

213120341443100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597364 (or 597357 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 213120341443100 its reverse (1344143021312), we get a palindrome (214464484464412).

The spelling of 213120341443100 in words is "two hundred thirteen trillion, one hundred twenty billion, three hundred forty-one million, four hundred forty-three thousand, one hundred".