11211000020219 has 4 divisors (see below), whose sum is σ = 11352911412960. Its totient is φ = 11069088627480.

The previous prime is 11211000020189. The next prime is 11211000020221. The reversal of 11211000020219 is 91202000011211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11211000020219 - 2²⁰ = 11210998971643 is a prime.

It is a super-2 number, since 2×11211000020219² (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 11211000020219.

It is not an unprimeable number, because it can be changed into a prime (11211000020249) 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, 70955696252 + ... + 70955696409.

It is an arithmetic number, because the mean of its divisors is an integer number (2838227853240).

Almost surely, 2^{11211000020219} is an apocalyptic number.

11211000020219 is a deficient number, since it is larger than the sum of its proper divisors (141911392741).

11211000020219 is an equidigital number, since it uses as much as digits as its factorization.

11211000020219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141911392740.

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

The spelling of 11211000020219 in words is "eleven trillion, two hundred eleven billion, twenty thousand, two hundred nineteen".