221222210112110 has 8 divisors (see below), whose sum is σ = 398199978201816. Its totient is φ = 88488884044840.

The previous prime is 221222210112083. The next prime is 221222210112133. The reversal of 221222210112110 is 11211012222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11061110505596 + ... + 11061110505615.

It is an arithmetic number, because the mean of its divisors is an integer number (49774997275227).

Almost surely, 2^{221222210112110} is an apocalyptic number.

221222210112110 is a deficient number, since it is larger than the sum of its proper divisors (176977768089706).

221222210112110 is a wasteful number, since it uses less digits than its factorization.

221222210112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22122221011218.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221222210112110 its reverse (11211012222122), we get a palindrome (232433222334232).

The spelling of 221222210112110 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, one hundred twelve thousand, one hundred ten".