3113122220101 has 4 divisors (see below), whose sum is σ = 3113294034604. Its totient is φ = 3112950405600.

The previous prime is 3113122220093. The next prime is 3113122220111. The reversal of 3113122220101 is 1010222213113.

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 708839389476 + 2404282830625 = 841926^2 + 1550575^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113122220101 - 2³ = 3113122220093 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 (3113122220111) 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, 85880070 + ... + 85916311.

It is an arithmetic number, because the mean of its divisors is an integer number (778323508651).

Almost surely, 2^{3113122220101} is an apocalyptic number.

It is an amenable number.

3113122220101 is a deficient number, since it is larger than the sum of its proper divisors (171814503).

3113122220101 is a wasteful number, since it uses less digits than its factorization.

3113122220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171814502.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3113122220101 its reverse (1010222213113), we get a palindrome (4123344433214).

The spelling of 3113122220101 in words is "three trillion, one hundred thirteen billion, one hundred twenty-two million, two hundred twenty thousand, one hundred one".