32121031011 has 16 divisors (see below), whose sum is σ = 44320720800. Its totient is φ = 20668209408.

The previous prime is 32121030989. The next prime is 32121031027. The reversal of 32121031011 is 11013012123.

It is a happy number.

It is not a de Polignac number, because 32121031011 - 2⁶ = 32121030947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32121031081) 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, 183945 + ... + 313173.

It is an arithmetic number, because the mean of its divisors is an integer number (2770045050).

Almost surely, 2^32121031011 is an apocalyptic number.

32121031011 is a deficient number, since it is larger than the sum of its proper divisors (12199689789).

32121031011 is a wasteful number, since it uses less digits than its factorization.

32121031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132118.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 32121031011 its reverse (11013012123), we get a palindrome (43134043134).

The spelling of 32121031011 in words is "thirty-two billion, one hundred twenty-one million, thirty-one thousand, eleven".