11201211101009 has 32 divisors (see below), whose sum is σ = 11546191512576. Its totient is φ = 10861141224960.

The previous prime is 11201211100997. The next prime is 11201211101051. The reversal of 11201211101009 is 90010111210211.

It is a cyclic number.

It is not a de Polignac number, because 11201211101009 - 2⁴ = 11201211100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201211101309) 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, 4910656949 + ... + 4910659229.

It is an arithmetic number, because the mean of its divisors is an integer number (360818484768).

Almost surely, 2^{11201211101009} is an apocalyptic number.

It is an amenable number.

11201211101009 is a deficient number, since it is larger than the sum of its proper divisors (344980411567).

11201211101009 is a wasteful number, since it uses less digits than its factorization.

11201211101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11201211101009 in words is "eleven trillion, two hundred one billion, two hundred eleven million, one hundred one thousand, nine".