211141233220 has 48 divisors (see below), whose sum is σ = 460180607040. Its totient is φ = 81278515584.

The previous prime is 211141233187. The next prime is 211141233227. The reversal of 211141233220 is 22332141112.

It is a junction number, because it is equal to n+sod(n) for n = 211141233191 and 211141233200.

It is not an unprimeable number, because it can be changed into a prime (211141233227) 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, 414834 + ... + 770953.

It is an arithmetic number, because the mean of its divisors is an integer number (9587095980).

Almost surely, 2^211141233220 is an apocalyptic number.

211141233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211141233220 is an abundant number, since it is smaller than the sum of its proper divisors (249039373820).

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

211141233220 is a wasteful number, since it uses less digits than its factorization.

211141233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186132 (or 1186130 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211141233220 its reverse (22332141112), we get a palindrome (233473374332).

The spelling of 211141233220 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thirty-three thousand, two hundred twenty".