102211332 has 12 divisors (see below), whose sum is σ = 238493136. Its totient is φ = 34070440.

The previous prime is 102211331. The next prime is 102211337. The reversal of 102211332 is 233112201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (102211331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258794 + ... + 4258817.

It is an arithmetic number, because the mean of its divisors is an integer number (19874428).

Almost surely, 2^102211332 is an apocalyptic number.

102211332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102211332 is an abundant number, since it is smaller than the sum of its proper divisors (136281804).

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

102211332 is a wasteful number, since it uses less digits than its factorization.

102211332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517618 (or 8517616 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102211332 is about 10109.9620177328. The cubic root of 102211332 is about 467.5553340853. Note that the first 3 decimals are identical.

Adding to 102211332 its reverse (233112201), we get a palindrome (335323533).

The spelling of 102211332 in words is "one hundred two million, two hundred eleven thousand, three hundred thirty-two".