201102111212109 has 16 divisors (see below), whose sum is σ = 272471056220160. Its totient is φ = 131908374929520.

The previous prime is 201102111212089. The next prime is 201102111212173. The reversal of 201102111212109 is 901212111201102.

It is not a de Polignac number, because 201102111212109 - 2⁸ = 201102111211853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102111212179) 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, 969240589 + ... + 969448050.

It is an arithmetic number, because the mean of its divisors is an integer number (17029441013760).

Almost surely, 2^{201102111212109} is an apocalyptic number.

It is an amenable number.

201102111212109 is a deficient number, since it is larger than the sum of its proper divisors (71368945008051).

201102111212109 is a wasteful number, since it uses less digits than its factorization.

201102111212109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938689200.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 201102111212109 in words is "two hundred one trillion, one hundred two billion, one hundred eleven million, two hundred twelve thousand, one hundred nine".