102112133 has 4 divisors (see below), whose sum is σ = 103066560. Its totient is φ = 101157708.

The previous prime is 102112121. The next prime is 102112139. The reversal of 102112133 is 331211201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331211201 = 23 ⋅14400487.

It is a cyclic number.

It is not a de Polignac number, because 102112133 - 2¹² = 102108037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112139) 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, 477053 + ... + 477266.

It is an arithmetic number, because the mean of its divisors is an integer number (25766640).

Almost surely, 2^102112133 is an apocalyptic number.

It is an amenable number.

102112133 is a deficient number, since it is larger than the sum of its proper divisors (954427).

102112133 is an equidigital number, since it uses as much as digits as its factorization.

102112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954426.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102112133 is about 10105.0548241957. The cubic root of 102112133 is about 467.4040265494.

Adding to 102112133 its reverse (331211201), we get a palindrome (433323334).

The spelling of 102112133 in words is "one hundred two million, one hundred twelve thousand, one hundred thirty-three".