11220101012111 has 16 divisors (see below), whose sum is σ = 11512476733824. Its totient is φ = 10929195424224.

The previous prime is 11220101012083. The next prime is 11220101012119. The reversal of 11220101012111 is 11121010102211.

It is a cyclic number.

It is not a de Polignac number, because 11220101012111 - 2¹⁸ = 11220100749967 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 (11220101012119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22870685 + ... + 23356121.

It is an arithmetic number, because the mean of its divisors is an integer number (719529795864).

Almost surely, 2^{11220101012111} is an apocalyptic number.

11220101012111 is a deficient number, since it is larger than the sum of its proper divisors (292375721713).

11220101012111 is an equidigital number, since it uses as much as digits as its factorization.

11220101012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486950.

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

Adding to 11220101012111 its reverse (11121010102211), we get a palindrome (22341111114322).

The spelling of 11220101012111 in words is "eleven trillion, two hundred twenty billion, one hundred one million, twelve thousand, one hundred eleven".