221222012220110 has 32 divisors (see below), whose sum is σ = 434401461562464. Its totient is φ = 80444021056000.

The previous prime is 221222012220107. The next prime is 221222012220149. The reversal of 221222012220110 is 11022210222122.

221222012220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 22001090 + ... + 30438330.

It is an arithmetic number, because the mean of its divisors is an integer number (13575045673827).

Almost surely, 2^{221222012220110} is an apocalyptic number.

221222012220110 is a deficient number, since it is larger than the sum of its proper divisors (213179449342354).

221222012220110 is a wasteful number, since it uses less digits than its factorization.

221222012220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675620.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221222012220110 its reverse (11022210222122), we get a palindrome (232244222442232).

The spelling of 221222012220110 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, twelve million, two hundred twenty thousand, one hundred ten".