221112201111010 has 32 divisors (see below), whose sum is σ = 437602729900032. Its totient is φ = 79771330961280.

The previous prime is 221112201110921. The next prime is 221112201111091. The reversal of 221112201111010 is 10111102211122.

221112201111010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7913808547 + ... + 7913836486.

It is an arithmetic number, because the mean of its divisors is an integer number (13675085309376).

Almost surely, 2^{221112201111010} is an apocalyptic number.

221112201111010 is a deficient number, since it is larger than the sum of its proper divisors (216490528789022).

221112201111010 is a wasteful number, since it uses less digits than its factorization.

221112201111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827645178.

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

Adding to 221112201111010 its reverse (10111102211122), we get a palindrome (231223303322132).

The spelling of 221112201111010 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred one million, one hundred eleven thousand, ten".