2111100201209 has 16 divisors (see below), whose sum is σ = 2268754443648. Its totient is φ = 1957167919872.

The previous prime is 2111100201181. The next prime is 2111100201241. The reversal of 2111100201209 is 9021020011112.

It is a cyclic number.

It is not a de Polignac number, because 2111100201209 - 2²⁴ = 2111083423993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111100201299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37156547 + ... + 37213319.

It is an arithmetic number, because the mean of its divisors is an integer number (141797152728).

Almost surely, 2^{2111100201209} is an apocalyptic number.

It is an amenable number.

2111100201209 is a deficient number, since it is larger than the sum of its proper divisors (157654242439).

2111100201209 is a wasteful number, since it uses less digits than its factorization.

2111100201209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89504.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2111100201209 in words is "two trillion, one hundred eleven billion, one hundred million, two hundred one thousand, two hundred nine".