100221112001111 has 4 divisors (see below), whose sum is σ = 100235349984000. Its totient is φ = 100206874018224.

The previous prime is 100221112001081. The next prime is 100221112001183. The reversal of 100221112001111 is 111100211122001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100221112001111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221112001611) 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, 7118980886 + ... + 7118994963.

It is an arithmetic number, because the mean of its divisors is an integer number (25058837496000).

Almost surely, 2^{100221112001111} is an apocalyptic number.

100221112001111 is a deficient number, since it is larger than the sum of its proper divisors (14237982889).

100221112001111 is an equidigital number, since it uses as much as digits as its factorization.

100221112001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237982888.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100221112001111 its reverse (111100211122001), we get a palindrome (211321323123112).

The spelling of 100221112001111 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twelve million, one thousand, one hundred eleven".