2132013121 has 4 divisors (see below), whose sum is σ = 2436586432. Its totient is φ = 1827439812.

The previous prime is 2132013119. The next prime is 2132013133. The reversal of 2132013121 is 1213102312.

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.

It is a cyclic number.

It is not a de Polignac number, because 2132013121 - 2¹ = 2132013119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132013095 and 2132013104.

It is not an unprimeable number, because it can be changed into a prime (2132013181) 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, 152286645 + ... + 152286658.

It is an arithmetic number, because the mean of its divisors is an integer number (609146608).

Almost surely, 2^2132013121 is an apocalyptic number.

It is an amenable number.

2132013121 is a deficient number, since it is larger than the sum of its proper divisors (304573311).

2132013121 is an equidigital number, since it uses as much as digits as its factorization.

2132013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304573310.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2132013121 is about 46173.7276056417. The cubic root of 2132013121 is about 1287.0535723861.

Adding to 2132013121 its reverse (1213102312), we get a palindrome (3345115433).

The spelling of 2132013121 in words is "two billion, one hundred thirty-two million, thirteen thousand, one hundred twenty-one".