201201002231 has 4 divisors (see below), whose sum is σ = 203193091464. Its totient is φ = 199208913000.

The previous prime is 201201002221. The next prime is 201201002237. The reversal of 201201002231 is 132200102102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201201002231 - 2¹⁰ = 201201001207 is a prime.

It is a super-2 number, since 2×201201002231² (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 (201201002237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996044465 + ... + 996044666.

It is an arithmetic number, because the mean of its divisors is an integer number (50798272866).

Almost surely, 2^201201002231 is an apocalyptic number.

201201002231 is a deficient number, since it is larger than the sum of its proper divisors (1992089233).

201201002231 is a wasteful number, since it uses less digits than its factorization.

201201002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992089232.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201201002231 its reverse (132200102102), we get a palindrome (333401104333).

The spelling of 201201002231 in words is "two hundred one billion, two hundred one million, two thousand, two hundred thirty-one".