221120001222110 has 16 divisors (see below), whose sum is σ = 401880235232736. Its totient is φ = 87589282037088.

The previous prime is 221120001222079. The next prime is 221120001222143. The reversal of 221120001222110 is 11222100021122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107339805389 + ... + 107339807448.

It is an arithmetic number, because the mean of its divisors is an integer number (25117514702046).

Almost surely, 2^{221120001222110} is an apocalyptic number.

221120001222110 is a deficient number, since it is larger than the sum of its proper divisors (180760234010626).

221120001222110 is a wasteful number, since it uses less digits than its factorization.

221120001222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214679612947.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221120001222110 its reverse (11222100021122), we get a palindrome (232342101243232).

The spelling of 221120001222110 in words is "two hundred twenty-one trillion, one hundred twenty billion, one million, two hundred twenty-two thousand, one hundred ten".