201001120111 has 8 divisors (see below), whose sum is σ = 219281806800. Its totient is φ = 182721743040.

The previous prime is 201001120093. The next prime is 201001120123. The reversal of 201001120111 is 111021100102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001120111 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 (201001120181) 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, 8505 + ... + 634093.

It is an arithmetic number, because the mean of its divisors is an integer number (27410225850).

Almost surely, 2^201001120111 is an apocalyptic number.

201001120111 is a deficient number, since it is larger than the sum of its proper divisors (18280686689).

201001120111 is a wasteful number, since it uses less digits than its factorization.

201001120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654809.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201001120111 its reverse (111021100102), we get a palindrome (312022220213).

The spelling of 201001120111 in words is "two hundred one billion, one million, one hundred twenty thousand, one hundred eleven".