3121230222101 has 4 divisors (see below), whose sum is σ = 3167815747872. Its totient is φ = 3074644696332.

The previous prime is 3121230222091. The next prime is 3121230222109. The reversal of 3121230222101 is 1012220321213.

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 3121230222101 - 2⁶ = 3121230222037 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 (3121230222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23292762785 + ... + 23292762918.

It is an arithmetic number, because the mean of its divisors is an integer number (791953936968).

Almost surely, 2^{3121230222101} is an apocalyptic number.

It is an amenable number.

3121230222101 is a deficient number, since it is larger than the sum of its proper divisors (46585525771).

3121230222101 is an equidigital number, since it uses as much as digits as its factorization.

3121230222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46585525770.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3121230222101 its reverse (1012220321213), we get a palindrome (4133450543314).

The spelling of 3121230222101 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, two hundred twenty-two thousand, one hundred one".