211212101201109 has 8 divisors (see below), whose sum is σ = 283765876423392. Its totient is φ = 139733196723120.

The previous prime is 211212101201071. The next prime is 211212101201111. The reversal of 211212101201109 is 901102101212112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211212101201109 - 2²⁹ = 211211564330197 is a prime.

It is a super-2 number, since 2×211212101201109² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212101201119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268717685614 + ... + 268717686399.

It is an arithmetic number, because the mean of its divisors is an integer number (35470734552924).

Almost surely, 2^{211212101201109} is an apocalyptic number.

It is an amenable number.

211212101201109 is a deficient number, since it is larger than the sum of its proper divisors (72553775222283).

211212101201109 is a wasteful number, since it uses less digits than its factorization.

211212101201109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537435372147.

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

The spelling of 211212101201109 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred one million, two hundred one thousand, one hundred nine".