102221133 has 16 divisors (see below), whose sum is σ = 156562560. Its totient is φ = 58113216.

The previous prime is 102221129. The next prime is 102221137. The reversal of 102221133 is 331122201.

It is an interprime number because it is at equal distance from previous prime (102221129) and next prime (102221137).

It is not a de Polignac number, because 102221133 - 2² = 102221129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221137) 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, 8218 + ... + 16491.

It is an arithmetic number, because the mean of its divisors is an integer number (9785160).

Almost surely, 2^102221133 is an apocalyptic number.

It is an amenable number.

102221133 is a deficient number, since it is larger than the sum of its proper divisors (54341427).

102221133 is a wasteful number, since it uses less digits than its factorization.

102221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24916.

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

The square root of 102221133 is about 10110.4467260354. The cubic root of 102221133 is about 467.5702781666.

Adding to 102221133 its reverse (331122201), we get a palindrome (433343334).

It can be divided in two parts, 1022 and 21133, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 102221133 in words is "one hundred two million, two hundred twenty-one thousand, one hundred thirty-three".