201002211011001 has 4 divisors (see below), whose sum is σ = 268002948014672. Its totient is φ = 134001474007332.

The previous prime is 201002211010897. The next prime is 201002211011033. The reversal of 201002211011001 is 100110112200102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201002211011001 - 2¹¹ = 201002211008953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201002211011071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33500368501831 + ... + 33500368501836.

It is an arithmetic number, because the mean of its divisors is an integer number (67000737003668).

Almost surely, 2^{201002211011001} is an apocalyptic number.

It is an amenable number.

201002211011001 is a deficient number, since it is larger than the sum of its proper divisors (67000737003671).

201002211011001 is an equidigital number, since it uses as much as digits as its factorization.

201002211011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67000737003670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201002211011001 its reverse (100110112200102), we get a palindrome (301112323211103).

The spelling of 201002211011001 in words is "two hundred one trillion, two billion, two hundred eleven million, eleven thousand, one".