201012111211001 has 4 divisors (see below), whose sum is σ = 211591696011600. Its totient is φ = 190432526410404.

The previous prime is 201012111210949. The next prime is 201012111211007. The reversal of 201012111211001 is 100112111210102.

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 201012111211001 - 2⁴⁶ = 130643367033337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012111211007) 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, 5289792400271 + ... + 5289792400308.

It is an arithmetic number, because the mean of its divisors is an integer number (52897924002900).

Almost surely, 2^{201012111211001} is an apocalyptic number.

It is an amenable number.

201012111211001 is a deficient number, since it is larger than the sum of its proper divisors (10579584800599).

201012111211001 is a wasteful number, since it uses less digits than its factorization.

201012111211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579584800598.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201012111211001 its reverse (100112111210102), we get a palindrome (301124222421103).

The spelling of 201012111211001 in words is "two hundred one trillion, twelve billion, one hundred eleven million, two hundred eleven thousand, one".