201022200202111 has 4 divisors (see below), whose sum is σ = 204429356137800. Its totient is φ = 197615044266424.

The previous prime is 201022200202079. The next prime is 201022200202127. The reversal of 201022200202111 is 111202002220102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201022200202111 - 2⁵ = 201022200202079 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 (201022200202711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703577967756 + ... + 1703577967873.

It is an arithmetic number, because the mean of its divisors is an integer number (51107339034450).

Almost surely, 2^{201022200202111} is an apocalyptic number.

201022200202111 is a deficient number, since it is larger than the sum of its proper divisors (3407155935689).

201022200202111 is an equidigital number, since it uses as much as digits as its factorization.

201022200202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407155935688.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201022200202111 its reverse (111202002220102), we get a palindrome (312224202422213).

The spelling of 201022200202111 in words is "two hundred one trillion, twenty-two billion, two hundred million, two hundred two thousand, one hundred eleven".