3103122101220 has 36 divisors (see below), whose sum is σ = 9412803707580. Its totient is φ = 827499226944.

The previous prime is 3103122101153. The next prime is 3103122101237. The reversal of 3103122101220 is 221012213013.

3103122101220 is a `hidden beast` number, since 31 + 0 + 312 + 2 + 101 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2010378022884 + 1092744078336 = 1417878^2 + 1045344^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 3103122101193 and 3103122101202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8619783435 + ... + 8619783794.

It is an arithmetic number, because the mean of its divisors is an integer number (261466769655).

Almost surely, 2^{3103122101220} is an apocalyptic number.

3103122101220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103122101220 is an abundant number, since it is smaller than the sum of its proper divisors (6309681606360).

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

3103122101220 is a wasteful number, since it uses less digits than its factorization.

3103122101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17239567244 (or 17239567239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3103122101220 its reverse (221012213013), we get a palindrome (3324134314233).

The spelling of 3103122101220 in words is "three trillion, one hundred three billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty".