110221202021111 has 4 divisors (see below), whose sum is σ = 110221607251800. Its totient is φ = 110220796790424.

The previous prime is 110221202021107. The next prime is 110221202021141. The reversal of 110221202021111 is 111120202122011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110221202021111 - 2² = 110221202021107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110221202021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221202021141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202207076 + ... + 202751433.

It is an arithmetic number, because the mean of its divisors is an integer number (27555401812950).

Almost surely, 2^{110221202021111} is an apocalyptic number.

110221202021111 is a deficient number, since it is larger than the sum of its proper divisors (405230689).

110221202021111 is an equidigital number, since it uses as much as digits as its factorization.

110221202021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405230688.

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

Adding to 110221202021111 its reverse (111120202122011), we get a palindrome (221341404143122).

The spelling of 110221202021111 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred two million, twenty-one thousand, one hundred eleven".