32121020011 has 4 divisors (see below), whose sum is σ = 32284071072. Its totient is φ = 31957968952.

The previous prime is 32121019961. The next prime is 32121020051. The reversal of 32121020011 is 11002012123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11002012123 = 37 ⋅297351679.

It is a cyclic number.

It is not a de Polignac number, because 32121020011 - 2⁹ = 32121019499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32121019973 and 32121020000.

It is not an unprimeable number, because it can be changed into a prime (32121020051) 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, 81525235 + ... + 81525628.

It is an arithmetic number, because the mean of its divisors is an integer number (8071017768).

Almost surely, 2^32121020011 is an apocalyptic number.

32121020011 is a deficient number, since it is larger than the sum of its proper divisors (163051061).

32121020011 is a wasteful number, since it uses less digits than its factorization.

32121020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163051060.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 32121020011 its reverse (11002012123), we get a palindrome (43123032134).

The spelling of 32121020011 in words is "thirty-two billion, one hundred twenty-one million, twenty thousand, eleven".