201100211011 has 24 divisors (see below), whose sum is σ = 242175661056. Its totient is φ = 166330074960.

The previous prime is 201100210981. The next prime is 201100211017. The reversal of 201100211011 is 110112001102.

It is a de Polignac number, because none of the positive numbers 2^k-201100211011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201100211017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336330 + ... + 717856.

It is an arithmetic number, because the mean of its divisors is an integer number (10090652544).

Almost surely, 2^201100211011 is an apocalyptic number.

201100211011 is a deficient number, since it is larger than the sum of its proper divisors (41075450045).

201100211011 is a wasteful number, since it uses less digits than its factorization.

201100211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381919 (or 381912 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201100211011 its reverse (110112001102), we get a palindrome (311212212113).

The spelling of 201100211011 in words is "two hundred one billion, one hundred million, two hundred eleven thousand, eleven".