201020212002111 has 8 divisors (see below), whose sum is σ = 268081304851584. Its totient is φ = 133986296910360.

The previous prime is 201020212002097. The next prime is 201020212002143. The reversal of 201020212002111 is 111200212020102.

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

It is not a de Polignac number, because 201020212002111 - 2²¹ = 201020209904959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020212002151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794422171 + ... + 6794451756.

It is an arithmetic number, because the mean of its divisors is an integer number (33510163106448).

Almost surely, 2^{201020212002111} is an apocalyptic number.

201020212002111 is a deficient number, since it is larger than the sum of its proper divisors (67061092849473).

201020212002111 is a wasteful number, since it uses less digits than its factorization.

201020212002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13588878861.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201020212002111 its reverse (111200212020102), we get a palindrome (312220424022213).

The spelling of 201020212002111 in words is "two hundred one trillion, twenty billion, two hundred twelve million, two thousand, one hundred eleven".