221001112110022 has 4 divisors (see below), whose sum is σ = 331501668165036. Its totient is φ = 110500556055010.

The previous prime is 221001112110019. The next prime is 221001112110041. The reversal of 221001112110022 is 220011211100122.

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 = 221001112109978 and 221001112110005.

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, 55250278027504 + ... + 55250278027507.

It is an arithmetic number, because the mean of its divisors is an integer number (82875417041259).

Almost surely, 2^{221001112110022} is an apocalyptic number.

221001112110022 is a deficient number, since it is larger than the sum of its proper divisors (110500556055014).

221001112110022 is a wasteful number, since it uses less digits than its factorization.

221001112110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500556055013.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221001112110022 its reverse (220011211100122), we get a palindrome (441012323210144).

The spelling of 221001112110022 in words is "two hundred twenty-one trillion, one billion, one hundred twelve million, one hundred ten thousand, twenty-two".