11221111100101 has 48 divisors (see below), whose sum is σ = 13472305862400. Its totient is φ = 9313629308928.

The previous prime is 11221111099981. The next prime is 11221111100113. The reversal of 11221111100101 is 10100111112211.

11221111100101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11221111100101 - 2⁹ = 11221111099589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221111100201) 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, 1130130105 + ... + 1130140033.

It is an arithmetic number, because the mean of its divisors is an integer number (280673038800).

Almost surely, 2^{11221111100101} is an apocalyptic number.

It is an amenable number.

11221111100101 is a deficient number, since it is larger than the sum of its proper divisors (2251194762299).

11221111100101 is an equidigital number, since it uses as much as digits as its factorization.

11221111100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146 (or 15139 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11221111100101 its reverse (10100111112211), we get a palindrome (21321222212312).

The spelling of 11221111100101 in words is "eleven trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thousand, one hundred one".