1122202002001 has 4 divisors (see below), whose sum is σ = 1122615643492. Its totient is φ = 1121788360512.

The previous prime is 1122202001983. The next prime is 1122202002013. The reversal of 1122202002001 is 1002002022211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 932337011776 + 189864990225 = 965576^2 + 435735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122202002001 - 2¹⁷ = 1122201870929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122202002101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206816676 + ... + 206822101.

It is an arithmetic number, because the mean of its divisors is an integer number (280653910873).

Almost surely, 2^{1122202002001} is an apocalyptic number.

It is an amenable number.

1122202002001 is a deficient number, since it is larger than the sum of its proper divisors (413641491).

1122202002001 is an equidigital number, since it uses as much as digits as its factorization.

1122202002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413641490.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1122202002001 its reverse (1002002022211), we get a palindrome (2124204024212).

The spelling of 1122202002001 in words is "one trillion, one hundred twenty-two billion, two hundred two million, two thousand, one".