220001202011111 has 16 divisors (see below), whose sum is σ = 230286109660416. Its totient is φ = 209776623150336.

The previous prime is 220001202011083. The next prime is 220001202011113. The reversal of 220001202011111 is 111110202100022.

It is a cyclic number.

It is not a de Polignac number, because 220001202011111 - 2¹⁰ = 220001202010087 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 (220001202011113) 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, 22902236 + ... + 31056638.

It is an arithmetic number, because the mean of its divisors is an integer number (14392881853776).

Almost surely, 2^{220001202011111} is an apocalyptic number.

220001202011111 is a deficient number, since it is larger than the sum of its proper divisors (10284907649305).

220001202011111 is a wasteful number, since it uses less digits than its factorization.

220001202011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158102.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220001202011111 its reverse (111110202100022), we get a palindrome (331111404111133).

The spelling of 220001202011111 in words is "two hundred twenty trillion, one billion, two hundred two million, eleven thousand, one hundred eleven".