3112421101 has 4 divisors (see below), whose sum is σ = 3112575100. Its totient is φ = 3112267104.

The previous prime is 3112421099. The next prime is 3112421129. The reversal of 3112421101 is 1011242113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2292973225 + 819447876 = 47885^2 + 28626^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112421101 - 2¹ = 3112421099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112421161) 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, 41106 + ... + 88963.

It is an arithmetic number, because the mean of its divisors is an integer number (778143775).

Almost surely, 2^3112421101 is an apocalyptic number.

It is an amenable number.

3112421101 is a deficient number, since it is larger than the sum of its proper divisors (153999).

3112421101 is a wasteful number, since it uses less digits than its factorization.

3112421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153998.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3112421101 is about 55789.0768968263. The cubic root of 3112421101 is about 1460.0445818938.

Adding to 3112421101 its reverse (1011242113), we get a palindrome (4123663214).

It can be divided in two parts, 31124 and 21101, that added together give a palindrome (52225).

The spelling of 3112421101 in words is "three billion, one hundred twelve million, four hundred twenty-one thousand, one hundred one".