211023233220 has 48 divisors (see below), whose sum is σ = 591262656768. Its totient is φ = 56234995200.

The previous prime is 211023233203. The next prime is 211023233231. The reversal of 211023233220 is 22332320112.

It is a happy number.

211023233220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1093381 + ... + 1271820.

It is an arithmetic number, because the mean of its divisors is an integer number (12317972016).

Almost surely, 2^211023233220 is an apocalyptic number.

211023233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211023233220 is an abundant number, since it is smaller than the sum of its proper divisors (380239423548).

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

211023233220 is a wasteful number, since it uses less digits than its factorization.

211023233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366700 (or 2366698 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 211023233220 its reverse (22332320112), we get a palindrome (233355553332).

The spelling of 211023233220 in words is "two hundred eleven billion, twenty-three million, two hundred thirty-three thousand, two hundred twenty".