201200220111 has 128 divisors (see below), whose sum is σ = 334946304000. Its totient is φ = 105927782400.

The previous prime is 201200220101. The next prime is 201200220131. The reversal of 201200220111 is 111022002102.

It is not a de Polignac number, because 201200220111 - 2⁹ = 201200219599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200220101) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48726495 + ... + 48730623.

It is an arithmetic number, because the mean of its divisors is an integer number (2616768000).

Almost surely, 2^201200220111 is an apocalyptic number.

201200220111 is a deficient number, since it is larger than the sum of its proper divisors (133746083889).

201200220111 is a wasteful number, since it uses less digits than its factorization.

201200220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201200220111 its reverse (111022002102), we get a palindrome (312222222213).

The spelling of 201200220111 in words is "two hundred one billion, two hundred million, two hundred twenty thousand, one hundred eleven".