11011021220119 has 4 divisors (see below), whose sum is σ = 11267091481096. Its totient is φ = 10754950959144.

The previous prime is 11011021219999. The next prime is 11011021220137. The reversal of 11011021220119 is 91102212011011.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011021220119 is a prime.

It is a super-2 number, since 2×11011021220119² (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 11011021220119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011021220159) 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, 128035130424 + ... + 128035130509.

It is an arithmetic number, because the mean of its divisors is an integer number (2816772870274).

Almost surely, 2^{11011021220119} is an apocalyptic number.

11011021220119 is a deficient number, since it is larger than the sum of its proper divisors (256070260977).

11011021220119 is an equidigital number, since it uses as much as digits as its factorization.

11011021220119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256070260976.

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

The spelling of 11011021220119 in words is "eleven trillion, eleven billion, twenty-one million, two hundred twenty thousand, one hundred nineteen".