201102011201211 has 4 divisors (see below), whose sum is σ = 268136014934952. Its totient is φ = 134068007467472.

The previous prime is 201102011201159. The next prime is 201102011201213. The reversal of 201102011201211 is 112102110201102.

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 201102011201211 - 2¹⁰ = 201102011200187 is a prime.

It is a super-2 number, since 2×201102011201211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201102011201213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33517001866866 + ... + 33517001866871.

It is an arithmetic number, because the mean of its divisors is an integer number (67034003733738).

Almost surely, 2^{201102011201211} is an apocalyptic number.

201102011201211 is a deficient number, since it is larger than the sum of its proper divisors (67034003733741).

201102011201211 is an equidigital number, since it uses as much as digits as its factorization.

201102011201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67034003733740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201102011201211 its reverse (112102110201102), we get a palindrome (313204121402313).

The spelling of 201102011201211 in words is "two hundred one trillion, one hundred two billion, eleven million, two hundred one thousand, two hundred eleven".