11121019 has 8 divisors (see below), whose sum is σ = 13687520. Its totient is φ = 8798976.

The previous prime is 11120981. The next prime is 11121037. The reversal of 11121019 is 91012111.

11121019 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121019 - 2¹⁵ = 11088251 is a prime.

It is a super-2 number, since 2×11121019² = 247354127196722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11120993 and 11121011.

It is not an unprimeable number, because it can be changed into a prime (11121919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61014 + ... + 61195.

It is an arithmetic number, because the mean of its divisors is an integer number (1710940).

Almost surely, 2^11121019 is an apocalyptic number.

11121019 is a deficient number, since it is larger than the sum of its proper divisors (2566501).

11121019 is a wasteful number, since it uses less digits than its factorization.

11121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122229.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 11121019 is about 3334.8191855032. The cubic root of 11121019 is about 223.2106236620.

The spelling of 11121019 in words is "eleven million, one hundred twenty-one thousand, nineteen".