100404311222 has 4 divisors (see below), whose sum is σ = 150606466836. Its totient is φ = 50202155610.

The previous prime is 100404311209. The next prime is 100404311237. The reversal of 100404311222 is 222113404001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 100404311194 and 100404311203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101077804 + ... + 25101077807.

It is an arithmetic number, because the mean of its divisors is an integer number (37651616709).

Almost surely, 2^100404311222 is an apocalyptic number.

100404311222 is a deficient number, since it is larger than the sum of its proper divisors (50202155614).

100404311222 is an equidigital number, since it uses as much as digits as its factorization.

100404311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50202155613.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100404311222 its reverse (222113404001), we get a palindrome (322517715223).

The spelling of 100404311222 in words is "one hundred billion, four hundred four million, three hundred eleven thousand, two hundred twenty-two".