201501112206 has 64 divisors (see below), whose sum is σ = 438201446400. Its totient is φ = 61578375936.

The previous prime is 201501112151. The next prime is 201501112223. The reversal of 201501112206 is 602211105102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364515 + ... + 732033.

It is an arithmetic number, because the mean of its divisors is an integer number (6846897600).

Almost surely, 2^201501112206 is an apocalyptic number.

201501112206 is an abundant number, since it is smaller than the sum of its proper divisors (236700334194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201501112206 is a wasteful number, since it uses less digits than its factorization.

201501112206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367713.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 201501112206 its reverse (602211105102), we get a palindrome (803712217308).

The spelling of 201501112206 in words is "two hundred one billion, five hundred one million, one hundred twelve thousand, two hundred six".