201020222012111 has 8 divisors (see below), whose sum is σ = 204814081755360. Its totient is φ = 197226400245472.

The previous prime is 201020222012089. The next prime is 201020222012201. The reversal of 201020222012111 is 111210222020102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201020222012111 - 2⁴² = 196622175501007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201020222012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020222092111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307150 + ... + 20093508.

It is an arithmetic number, because the mean of its divisors is an integer number (25601760219420).

Almost surely, 2^{201020222012111} is an apocalyptic number.

201020222012111 is a deficient number, since it is larger than the sum of its proper divisors (3793859743249).

201020222012111 is a wasteful number, since it uses less digits than its factorization.

201020222012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18988305.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201020222012111 its reverse (111210222020102), we get a palindrome (312230444032213).

The spelling of 201020222012111 in words is "two hundred one trillion, twenty billion, two hundred twenty-two million, twelve thousand, one hundred eleven".