1122020010001 has 24 divisors (see below), whose sum is σ = 1265031921024. Its totient is φ = 986917860000.

The previous prime is 1122020009977. The next prime is 1122020010019. The reversal of 1122020010001 is 1000100202211.

It is not a de Polignac number, because 1122020010001 - 2⁹ = 1122020009489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122020010001.

It is not an unprimeable number, because it can be changed into a prime (1122020010301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 86897736 + ... + 86910646.

It is an arithmetic number, because the mean of its divisors is an integer number (52709663376).

Almost surely, 2^{1122020010001} is an apocalyptic number.

1122020010001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122020010001 is a deficient number, since it is larger than the sum of its proper divisors (143011911023).

1122020010001 is a wasteful number, since it uses less digits than its factorization.

1122020010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21205 (or 21174 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1122020010001 its reverse (1000100202211), we get a palindrome (2122120212212).

The spelling of 1122020010001 in words is "one trillion, one hundred twenty-two billion, twenty million, ten thousand, one".