101100111221111 has 8 divisors (see below), whose sum is σ = 101122156444848. Its totient is φ = 101078066880000.

The previous prime is 101100111221089. The next prime is 101100111221143. The reversal of 101100111221111 is 111122111001101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101100111221111 - 2³⁸ = 100825233314167 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 (101100111229111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262616276 + ... + 263000966.

It is an arithmetic number, because the mean of its divisors is an integer number (12640269555606).

Almost surely, 2^{101100111221111} is an apocalyptic number.

101100111221111 is a deficient number, since it is larger than the sum of its proper divisors (22045223737).

101100111221111 is an equidigital number, since it uses as much as digits as its factorization.

101100111221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441313.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 101100111221111 its reverse (111122111001101), we get a palindrome (212222222222212).

The spelling of 101100111221111 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, two hundred twenty-one thousand, one hundred eleven".