1122020199985 has 8 divisors (see below), whose sum is σ = 1346430022056. Its totient is φ = 897612305280.

The previous prime is 1122020199941. The next prime is 1122020200033. The reversal of 1122020199985 is 5899910202211.

It can be written as a sum of positive squares in 4 ways, for example, as 34938712561 + 1087081487424 = 186919^2 + 1042632^2 .

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

It is not a de Polignac number, because 1122020199985 - 2¹⁵ = 1122020167217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683627 + ... + 2253583.

It is an arithmetic number, because the mean of its divisors is an integer number (168303752757).

Almost surely, 2^{1122020199985} is an apocalyptic number.

It is an amenable number.

1122020199985 is a deficient number, since it is larger than the sum of its proper divisors (224409822071).

1122020199985 is an equidigital number, since it uses as much as digits as its factorization.

1122020199985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963683.

The product of its (nonzero) digits is 233280, while the sum is 49.

The spelling of 1122020199985 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred ninety-nine thousand, nine hundred eighty-five".