11012212221019 has 4 divisors (see below), whose sum is σ = 11030596549200. Its totient is φ = 10993827892840.

The previous prime is 11012212220927. The next prime is 11012212221029. The reversal of 11012212221019 is 91012221221011.

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 11012212221019 - 2²³ = 11012203832411 is a prime.

It is a super-2 number, since 2×11012212221019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012212220984 and 11012212221002.

It is not an unprimeable number, because it can be changed into a prime (11012212221029) 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, 9192163192 + ... + 9192164389.

It is an arithmetic number, because the mean of its divisors is an integer number (2757649137300).

Almost surely, 2^{11012212221019} is an apocalyptic number.

11012212221019 is a deficient number, since it is larger than the sum of its proper divisors (18384328181).

11012212221019 is an equidigital number, since it uses as much as digits as its factorization.

11012212221019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384328180.

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

The spelling of 11012212221019 in words is "eleven trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, nineteen".