32121321101 has 4 divisors (see below), whose sum is σ = 32600743872. Its totient is φ = 31641898332.

The previous prime is 32121321097. The next prime is 32121321103. The reversal of 32121321101 is 10112312123.

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 32121321101 - 2² = 32121321097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32121321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121321103) 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, 239711285 + ... + 239711418.

It is an arithmetic number, because the mean of its divisors is an integer number (8150185968).

Almost surely, 2^32121321101 is an apocalyptic number.

It is an amenable number.

32121321101 is a deficient number, since it is larger than the sum of its proper divisors (479422771).

32121321101 is an equidigital number, since it uses as much as digits as its factorization.

32121321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479422770.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 32121321101 its reverse (10112312123), we get a palindrome (42233633224).

The spelling of 32121321101 in words is "thirty-two billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred one".