211130023130220 has 48 divisors (see below), whose sum is σ = 611549032520160. Its totient is φ = 54359914000896.

The previous prime is 211130023130183. The next prime is 211130023130269. The reversal of 211130023130220 is 22031320031112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60669545137 + ... + 60669548616.

It is an arithmetic number, because the mean of its divisors is an integer number (12740604844170).

Almost surely, 2^{211130023130220} is an apocalyptic number.

211130023130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211130023130220 is an abundant number, since it is smaller than the sum of its proper divisors (400419009389940).

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

211130023130220 is a wasteful number, since it uses less digits than its factorization.

211130023130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121339093794 (or 121339093792 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211130023130220 its reverse (22031320031112), we get a palindrome (233161343161332).

The spelling of 211130023130220 in words is "two hundred eleven trillion, one hundred thirty billion, twenty-three million, one hundred thirty thousand, two hundred twenty".