11121121011019 has 2 divisors, whose sum is σ = 11121121011020. Its totient is φ = 11121121011018.

The previous prime is 11121121010969. The next prime is 11121121011037. The reversal of 11121121011019 is 91011012112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121121011019 - 2³¹ = 11118973527371 is a prime.

It is a super-2 number, since 2×11121121011019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121121011719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560560505509 + 5560560505510.

It is an arithmetic number, because the mean of its divisors is an integer number (5560560505510).

Almost surely, 2^{11121121011019} is an apocalyptic number.

11121121011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121121011019 is an equidigital number, since it uses as much as digits as its factorization.

11121121011019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 11121121011019 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-one million, eleven thousand, nineteen".