201121001111211 has 32 divisors (see below), whose sum is σ = 269219489011200. Its totient is φ = 133552257108480.

The previous prime is 201121001111209. The next prime is 201121001111263. The reversal of 201121001111211 is 112111100121102.

It is not a de Polignac number, because 201121001111211 - 2¹ = 201121001111209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201121001111311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7862726220 + ... + 7862751798.

It is an arithmetic number, because the mean of its divisors is an integer number (8413109031600).

Almost surely, 2^{201121001111211} is an apocalyptic number.

201121001111211 is a deficient number, since it is larger than the sum of its proper divisors (68098487899989).

201121001111211 is a wasteful number, since it uses less digits than its factorization.

201121001111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31699.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201121001111211 its reverse (112111100121102), we get a palindrome (313232101232313).

The spelling of 201121001111211 in words is "two hundred one trillion, one hundred twenty-one billion, one million, one hundred eleven thousand, two hundred eleven".