213113121103020 has 24 divisors (see below), whose sum is σ = 596716739088624. Its totient is φ = 56830165627456.

The previous prime is 213113121103019. The next prime is 213113121103243. The reversal of 213113121103020 is 20301121311312.

It is a super-2 number, since 2×213113121103020² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775942675799 + ... + 1775942675918.

It is an arithmetic number, because the mean of its divisors is an integer number (24863197462026).

Almost surely, 2^{213113121103020} is an apocalyptic number.

213113121103020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213113121103020 is an abundant number, since it is smaller than the sum of its proper divisors (383603617985604).

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

213113121103020 is a wasteful number, since it uses less digits than its factorization.

213113121103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551885351729 (or 3551885351727 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 213113121103020 its reverse (20301121311312), we get a palindrome (233414242414332).

The spelling of 213113121103020 in words is "two hundred thirteen trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred three thousand, twenty".