3112111420221 has 8 divisors (see below), whose sum is σ = 4149508908960. Its totient is φ = 2074727439152.

The previous prime is 3112111420211. The next prime is 3112111420307. The reversal of 3112111420221 is 1220241112113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3112111420221 - 2⁵ = 3112111420189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112111420211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826510 + ... + 3770063.

It is an arithmetic number, because the mean of its divisors is an integer number (518688613620).

Almost surely, 2^{3112111420221} is an apocalyptic number.

It is an amenable number.

3112111420221 is a deficient number, since it is larger than the sum of its proper divisors (1037397488739).

3112111420221 is a wasteful number, since it uses less digits than its factorization.

3112111420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753835.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 3112111420221 its reverse (1220241112113), we get a palindrome (4332352532334).

The spelling of 3112111420221 in words is "three trillion, one hundred twelve billion, one hundred eleven million, four hundred twenty thousand, two hundred twenty-one".