1122222201002 has 12 divisors (see below), whose sum is σ = 1958163228450. Its totient is φ = 480952371816.

The previous prime is 1122222200987. The next prime is 1122222201013. The reversal of 1122222201002 is 2001022222211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 642099318721 + 480122882281 = 801311^2 + 692909^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5725623377 + ... + 5725623572.

Almost surely, 2^{1122222201002} is an apocalyptic number.

1122222201002 is a deficient number, since it is larger than the sum of its proper divisors (835941027448).

1122222201002 is a wasteful number, since it uses less digits than its factorization.

1122222201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451246965 (or 11451246958 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1122222201002 its reverse (2001022222211), we get a palindrome (3123244423213).

The spelling of 1122222201002 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, two".