110221220012111 has 48 divisors (see below), whose sum is σ = 128035998604800. Its totient is φ = 94498640331264.

The previous prime is 110221220012017. The next prime is 110221220012119. The reversal of 110221220012111 is 111210022122011.

It is a de Polignac number, because none of the positive numbers 2^k-110221220012111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 110221220012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221220012119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 459942320 + ... + 460181898.

It is an arithmetic number, because the mean of its divisors is an integer number (2667416637600).

Almost surely, 2^{110221220012111} is an apocalyptic number.

110221220012111 is a deficient number, since it is larger than the sum of its proper divisors (17814778592689).

110221220012111 is a wasteful number, since it uses less digits than its factorization.

110221220012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241728 (or 241715 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110221220012111 its reverse (111210022122011), we get a palindrome (221431242134122).

The spelling of 110221220012111 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twenty million, twelve thousand, one hundred eleven".