213101133132 has 12 divisors (see below), whose sum is σ = 497235977336. Its totient is φ = 71033711040.

The previous prime is 213101133127. The next prime is 213101133137. The reversal of 213101133132 is 231331101312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213101133127) and next prime (213101133137).

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

It is a junction number, because it is equal to n+sod(n) for n = 213101133099 and 213101133108.

It is not an unprimeable number, because it can be changed into a prime (213101133137) 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, 8879213869 + ... + 8879213892.

Almost surely, 2^213101133132 is an apocalyptic number.

It is an amenable number.

213101133132 is an abundant number, since it is smaller than the sum of its proper divisors (284134844204).

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

213101133132 is a wasteful number, since it uses less digits than its factorization.

213101133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17758427768 (or 17758427766 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213101133132 its reverse (231331101312), we get a palindrome (444432234444).

The spelling of 213101133132 in words is "two hundred thirteen billion, one hundred one million, one hundred thirty-three thousand, one hundred thirty-two".