3111343122220 has 24 divisors (see below), whose sum is σ = 6918162943104. Its totient is φ = 1171329175296.

The previous prime is 3111343122127. The next prime is 3111343122221. The reversal of 3111343122220 is 222213431113.

It is not an unprimeable number, because it can be changed into a prime (3111343122221) 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, 4575504252 + ... + 4575504931.

It is an arithmetic number, because the mean of its divisors is an integer number (288256789296).

Almost surely, 2^{3111343122220} is an apocalyptic number.

It is an amenable number.

3111343122220 is an abundant number, since it is smaller than the sum of its proper divisors (3806819820884).

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

3111343122220 is a wasteful number, since it uses less digits than its factorization.

3111343122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151009209 (or 9151009207 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 3111343122220 its reverse (222213431113), we get a palindrome (3333556553333).

The spelling of 3111343122220 in words is "three trillion, one hundred eleven billion, three hundred forty-three million, one hundred twenty-two thousand, two hundred twenty".