213313030100121 has 16 divisors (see below), whose sum is σ = 333833519437184. Its totient is φ = 118598750325504.

The previous prime is 213313030100077. The next prime is 213313030100143. The reversal of 213313030100121 is 121001030313312.

It is a happy number.

It is not a de Polignac number, because 213313030100121 - 2⁷ = 213313030099993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213313030100321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137267071360 + ... + 137267072913.

It is an arithmetic number, because the mean of its divisors is an integer number (20864594964824).

Almost surely, 2^{213313030100121} is an apocalyptic number.

213313030100121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213313030100121 is a deficient number, since it is larger than the sum of its proper divisors (120520489337063).

213313030100121 is a wasteful number, since it uses less digits than its factorization.

213313030100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274534144320.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213313030100121 its reverse (121001030313312), we get a palindrome (334314060413433).

The spelling of 213313030100121 in words is "two hundred thirteen trillion, three hundred thirteen billion, thirty million, one hundred thousand, one hundred twenty-one".