3121104222 has 48 divisors (see below), whose sum is σ = 7231144752. Its totient is φ = 969465600.

The previous prime is 3121104191. The next prime is 3121104229. The reversal of 3121104222 is 2224011213.

It is a happy number.

3121104222 is a `hidden beast` number, since 31 + 211 + 0 + 422 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3121104195 and 3121104204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121104229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19588 + ... + 81399.

It is an arithmetic number, because the mean of its divisors is an integer number (150648849).

Almost surely, 2^3121104222 is an apocalyptic number.

3121104222 is an abundant number, since it is smaller than the sum of its proper divisors (4110040530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121104222 is a wasteful number, since it uses less digits than its factorization.

3121104222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101113 (or 101110 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3121104222 is about 55866.8436731484. The cubic root of 3121104222 is about 1461.4010791908.

Adding to 3121104222 its reverse (2224011213), we get a palindrome (5345115435).

The spelling of 3121104222 in words is "three billion, one hundred twenty-one million, one hundred four thousand, two hundred twenty-two".