211023332 has 12 divisors (see below), whose sum is σ = 397697916. Its totient is φ = 97395360.

The previous prime is 211023331. The next prime is 211023341. The reversal of 211023332 is 233320112.

It can be written as a sum of positive squares in 2 ways, for example, as 102738496 + 108284836 = 10136^2 + 10406^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211023332.

It is not an unprimeable number, because it can be changed into a prime (211023331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029019 + ... + 2029122.

It is an arithmetic number, because the mean of its divisors is an integer number (33141493).

Almost surely, 2^211023332 is an apocalyptic number.

It is an amenable number.

211023332 is a deficient number, since it is larger than the sum of its proper divisors (186674584).

211023332 is a wasteful number, since it uses less digits than its factorization.

211023332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058158 (or 4058156 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 211023332 is about 14526.6421446940. The cubic root of 211023332 is about 595.3561241657.

Adding to 211023332 its reverse (233320112), we get a palindrome (444343444).

The spelling of 211023332 in words is "two hundred eleven million, twenty-three thousand, three hundred thirty-two".