221110022111110 has 32 divisors (see below), whose sum is σ = 434324358764064. Its totient is φ = 80376852000000.

The previous prime is 221110022111093. The next prime is 221110022111137. The reversal of 221110022111110 is 11111220011122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334573441 + ... + 335233660.

It is an arithmetic number, because the mean of its divisors is an integer number (13572636211377).

Almost surely, 2^{221110022111110} is an apocalyptic number.

221110022111110 is a deficient number, since it is larger than the sum of its proper divisors (213214336652954).

221110022111110 is a wasteful number, since it uses less digits than its factorization.

221110022111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669810120.

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

Adding to 221110022111110 its reverse (11111220011122), we get a palindrome (232221242122232).

The spelling of 221110022111110 in words is "two hundred twenty-one trillion, one hundred ten billion, twenty-two million, one hundred eleven thousand, one hundred ten".