32113001221 has 16 divisors (see below), whose sum is σ = 38654904960. Its totient is φ = 26061384960.

The previous prime is 32113001209. The next prime is 32113001227. The reversal of 32113001221 is 12210031123.

It is not a de Polignac number, because 32113001221 - 2¹⁹ = 32112476933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32113001195 and 32113001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113001227) 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, 158745 + ... + 299041.

It is an arithmetic number, because the mean of its divisors is an integer number (2415931560).

Almost surely, 2^32113001221 is an apocalyptic number.

It is an amenable number.

32113001221 is a deficient number, since it is larger than the sum of its proper divisors (6541903739).

32113001221 is a wasteful number, since it uses less digits than its factorization.

32113001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142044.

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

Adding to 32113001221 its reverse (12210031123), we get a palindrome (44323032344).

The spelling of 32113001221 in words is "thirty-two billion, one hundred thirteen million, one thousand, two hundred twenty-one".