1122120021195 has 48 divisors (see below), whose sum is σ = 2020667856480. Its totient is φ = 597389209344.

The previous prime is 1122120021151. The next prime is 1122120021223. The reversal of 1122120021195 is 5911200212211.

It is not a de Polignac number, because 1122120021195 - 2¹¹ = 1122120019147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152290 + ... + 1505799.

It is an arithmetic number, because the mean of its divisors is an integer number (42097247010).

Almost surely, 2^{1122120021195} is an apocalyptic number.

1122120021195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122120021195 is a deficient number, since it is larger than the sum of its proper divisors (898547835285).

1122120021195 is an equidigital number, since it uses as much as digits as its factorization.

1122120021195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658666 (or 1658654 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 1122120021195 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred ninety-five".