3111020121201 has 4 divisors (see below), whose sum is σ = 4148026828272. Its totient is φ = 2074013414132.

The previous prime is 3111020121193. The next prime is 3111020121233. The reversal of 3111020121201 is 1021210201113.

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 3111020121201 - 2³ = 3111020121193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3111020121101) 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, 518503353531 + ... + 518503353536.

It is an arithmetic number, because the mean of its divisors is an integer number (1037006707068).

Almost surely, 2^{3111020121201} is an apocalyptic number.

It is an amenable number.

3111020121201 is a deficient number, since it is larger than the sum of its proper divisors (1037006707071).

3111020121201 is a wasteful number, since it uses less digits than its factorization.

3111020121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037006707070.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 3111020121201 its reverse (1021210201113), we get a palindrome (4132230322314).

The spelling of 3111020121201 in words is "three trillion, one hundred eleven billion, twenty million, one hundred twenty-one thousand, two hundred one".