100001011222 has 32 divisors (see below), whose sum is σ = 173185542144. Its totient is φ = 42419052000.

The previous prime is 100001011217. The next prime is 100001011267. The reversal of 100001011222 is 222110100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001011199 and 100001011208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4954483 + ... + 4974625.

It is an arithmetic number, because the mean of its divisors is an integer number (5412048192).

Almost surely, 2^100001011222 is an apocalyptic number.

100001011222 is a deficient number, since it is larger than the sum of its proper divisors (73184530922).

100001011222 is a wasteful number, since it uses less digits than its factorization.

100001011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23764.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100001011222 its reverse (222110100001), we get a palindrome (322111111223).

The spelling of 100001011222 in words is "one hundred billion, one million, eleven thousand, two hundred twenty-two".