213310122120 has 96 divisors (see below), whose sum is σ = 693381798720. Its totient is φ = 56872533120.

The previous prime is 213310122007. The next prime is 213310122121. The reversal of 213310122120 is 21221013312.

213310122120 is a `hidden beast` number, since 213 + 310 + 1 + 22 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213310122093 and 213310122102.

It is not an unprimeable number, because it can be changed into a prime (213310122121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2083735 + ... + 2183705.

It is an arithmetic number, because the mean of its divisors is an integer number (7222727070).

Almost surely, 2^213310122120 is an apocalyptic number.

213310122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213310122120 is an abundant number, since it is smaller than the sum of its proper divisors (480071676600).

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

213310122120 is a wasteful number, since it uses less digits than its factorization.

213310122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105915 (or 105908 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213310122120 its reverse (21221013312), we get a palindrome (234531135432).

The spelling of 213310122120 in words is "two hundred thirteen billion, three hundred ten million, one hundred twenty-two thousand, one hundred twenty".