201001002112111 has 8 divisors (see below), whose sum is σ = 201047945132160. Its totient is φ = 200954061725472.

The previous prime is 201001002112093. The next prime is 201001002112123. The reversal of 201001002112111 is 111211200100102.

It is a happy number.

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 201001002112111 - 2¹³ = 201001002103919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001002112091 and 201001002112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001002113111) 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, 156372450 + ... + 157652608.

It is an arithmetic number, because the mean of its divisors is an integer number (25130993141520).

Almost surely, 2^{201001002112111} is an apocalyptic number.

201001002112111 is a deficient number, since it is larger than the sum of its proper divisors (46943020049).

201001002112111 is a wasteful number, since it uses less digits than its factorization.

201001002112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316705.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201001002112111 its reverse (111211200100102), we get a palindrome (312212202212213).

The spelling of 201001002112111 in words is "two hundred one trillion, one billion, two million, one hundred twelve thousand, one hundred eleven".