211220130310 has 64 divisors (see below), whose sum is σ = 439589836800. Its totient is φ = 71576524800.

The previous prime is 211220130293. The next prime is 211220130313. The reversal of 211220130310 is 13031022112.

It is a super-2 number, since 2×211220130310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220130313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053222 + ... + 2153638.

It is an arithmetic number, because the mean of its divisors is an integer number (6868591200).

Almost surely, 2^211220130310 is an apocalyptic number.

211220130310 is an abundant number, since it is smaller than the sum of its proper divisors (228369706490).

211220130310 is a wasteful number, since it uses less digits than its factorization.

211220130310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100781.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211220130310 its reverse (13031022112), we get a palindrome (224251152422).

The spelling of 211220130310 in words is "two hundred eleven billion, two hundred twenty million, one hundred thirty thousand, three hundred ten".