101111220220211 has 16 divisors (see below), whose sum is σ = 107139335688000. Its totient is φ = 95092042672128.

The previous prime is 101111220220207. The next prime is 101111220220217. The reversal of 101111220220211 is 112022022111101.

It is a cyclic number.

It is not a de Polignac number, because 101111220220211 - 2² = 101111220220207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101111220220211.

It is not an unprimeable number, because it can be changed into a prime (101111220220217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861099941 + ... + 861217353.

It is an arithmetic number, because the mean of its divisors is an integer number (6696208480500).

Almost surely, 2^{101111220220211} is an apocalyptic number.

101111220220211 is a deficient number, since it is larger than the sum of its proper divisors (6028115467789).

101111220220211 is a wasteful number, since it uses less digits than its factorization.

101111220220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155038.

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

Adding to 101111220220211 its reverse (112022022111101), we get a palindrome (213133242331312).

The spelling of 101111220220211 in words is "one hundred one trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred eleven".