100311322220 has 12 divisors (see below), whose sum is σ = 210653776704. Its totient is φ = 40124528880.

The previous prime is 100311322217. The next prime is 100311322261. The reversal of 100311322220 is 22223113001.

It is a super-2 number, since 2×100311322220² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507783036 + ... + 2507783075.

It is an arithmetic number, because the mean of its divisors is an integer number (17554481392).

Almost surely, 2^100311322220 is an apocalyptic number.

100311322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100311322220 is an abundant number, since it is smaller than the sum of its proper divisors (110342454484).

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

100311322220 is a wasteful number, since it uses less digits than its factorization.

100311322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015566120 (or 5015566118 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100311322220 its reverse (22223113001), we get a palindrome (122534435221).

The spelling of 100311322220 in words is "one hundred billion, three hundred eleven million, three hundred twenty-two thousand, two hundred twenty".