221110101122 has 16 divisors (see below), whose sum is σ = 334975633272. Its totient is φ = 109451731200.

The previous prime is 221110101119. The next prime is 221110101137. The reversal of 221110101122 is 221101011122.

It can be written as a sum of positive squares in 4 ways, for example, as 206942198281 + 14167902841 = 454909^2 + 119029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221110101097 and 221110101106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037868 + ... + 3109800.

Almost surely, 2^221110101122 is an apocalyptic number.

221110101122 is a deficient number, since it is larger than the sum of its proper divisors (113865532150).

221110101122 is a wasteful number, since it uses less digits than its factorization.

221110101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87253.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221110101122 its reverse (221101011122), we get a palindrome (442211112244).

The spelling of 221110101122 in words is "two hundred twenty-one billion, one hundred ten million, one hundred one thousand, one hundred twenty-two".