201001100231 has 8 divisors (see below), whose sum is σ = 204493248000. Its totient is φ = 197511797560.

The previous prime is 201001100189. The next prime is 201001100239. The reversal of 201001100231 is 132001100102.

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-201001100231 is a prime.

It is a super-2 number, since 2×201001100231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001100239) 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, 568505 + ... + 851586.

It is an arithmetic number, because the mean of its divisors is an integer number (25561656000).

Almost surely, 2^201001100231 is an apocalyptic number.

201001100231 is a deficient number, since it is larger than the sum of its proper divisors (3492147769).

201001100231 is a wasteful number, since it uses less digits than its factorization.

201001100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422549.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201001100231 its reverse (132001100102), we get a palindrome (333002200333).

The spelling of 201001100231 in words is "two hundred one billion, one million, one hundred thousand, two hundred thirty-one".