11211122220019 has 16 divisors (see below), whose sum is σ = 11320483641984. Its totient is φ = 11102129438400.

The previous prime is 11211122220017. The next prime is 11211122220059. The reversal of 11211122220019 is 91002222111211.

It is a cyclic number.

It is not a de Polignac number, because 11211122220019 - 2¹ = 11211122220017 is a prime.

It is a super-2 number, since 2×11211122220019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211122219975 and 11211122220002.

It is not an unprimeable number, because it can be changed into a prime (11211122220017) 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, 448953204 + ... + 448978174.

It is an arithmetic number, because the mean of its divisors is an integer number (707530227624).

Almost surely, 2^{11211122220019} is an apocalyptic number.

11211122220019 is a deficient number, since it is larger than the sum of its proper divisors (109361421965).

11211122220019 is a wasteful number, since it uses less digits than its factorization.

11211122220019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32178.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 11211122220019 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, nineteen".