11212101001219 has 16 divisors (see below), whose sum is σ = 11406587512320. Its totient is φ = 11019835421280.

The previous prime is 11212101001201. The next prime is 11212101001237. The reversal of 11212101001219 is 91210010121211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11212101001201) and next prime (11212101001237).

It is a cyclic number.

It is not a de Polignac number, because 11212101001219 - 2⁹ = 11212101000707 is a prime.

It is a super-2 number, since 2×11212101001219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212101001219.

It is not an unprimeable number, because it can be changed into a prime (11212101001249) 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, 4219494 + ... + 6342580.

It is an arithmetic number, because the mean of its divisors is an integer number (712911719520).

Almost surely, 2^{11212101001219} is an apocalyptic number.

11212101001219 is a deficient number, since it is larger than the sum of its proper divisors (194486511101).

11212101001219 is a wasteful number, since it uses less digits than its factorization.

11212101001219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123610.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11212101001219 in words is "eleven trillion, two hundred twelve billion, one hundred one million, one thousand, two hundred nineteen".