201001323211231 has 2 divisors, whose sum is σ = 201001323211232. Its totient is φ = 201001323211230.

The previous prime is 201001323211201. The next prime is 201001323211237. The reversal of 201001323211231 is 132112323100102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001323211231 is a prime.

It is a super-2 number, since 2×201001323211231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001323211237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500661605615 + 100500661605616.

It is an arithmetic number, because the mean of its divisors is an integer number (100500661605616).

Almost surely, 2^{201001323211231} is an apocalyptic number.

201001323211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001323211231 is an equidigital number, since it uses as much as digits as its factorization.

201001323211231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201001323211231 its reverse (132112323100102), we get a palindrome (333113646311333).

The spelling of 201001323211231 in words is "two hundred one trillion, one billion, three hundred twenty-three million, two hundred eleven thousand, two hundred thirty-one".