201102121022009 has 4 divisors (see below), whose sum is σ = 201106840553040. Its totient is φ = 201097401490980.

The previous prime is 201102121021987. The next prime is 201102121022081. The reversal of 201102121022009 is 900220121201102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201102121022009 - 2²⁴ = 201102104244793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102121022809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359701599 + ... + 2359786820.

It is an arithmetic number, because the mean of its divisors is an integer number (50276710138260).

Almost surely, 2^{201102121022009} is an apocalyptic number.

It is an amenable number.

201102121022009 is a deficient number, since it is larger than the sum of its proper divisors (4719531031).

201102121022009 is an equidigital number, since it uses as much as digits as its factorization.

201102121022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719531030.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 201102121022009 in words is "two hundred one trillion, one hundred two billion, one hundred twenty-one million, twenty-two thousand, nine".