1121020022019 has 24 divisors (see below), whose sum is σ = 1514713568592. Its totient is φ = 737467174080.

The previous prime is 1121020021987. The next prime is 1121020022047. The reversal of 1121020022019 is 9102200201211.

It is not a de Polignac number, because 1121020022019 - 2⁵ = 1121020021987 is a prime.

It is a super-2 number, since 2×1121020022019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121020021986 and 1121020022004.

It is not an unprimeable number, because it can be changed into a prime (1121020032019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34827417 + ... + 34859589.

It is an arithmetic number, because the mean of its divisors is an integer number (63113065358).

Almost surely, 2^{1121020022019} is an apocalyptic number.

1121020022019 is a deficient number, since it is larger than the sum of its proper divisors (393693546573).

1121020022019 is an equidigital number, since it uses as much as digits as its factorization.

1121020022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34195 (or 34116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1121020022019 in words is "one trillion, one hundred twenty-one billion, twenty million, twenty-two thousand, nineteen".