1122122211201 has 6 divisors (see below), whose sum is σ = 1620843193970. Its totient is φ = 748081474128.

The previous prime is 1122122211187. The next prime is 1122122211239. The reversal of 1122122211201 is 1021122212211.

1122122211201 is a `hidden beast` number, since 11 + 221 + 22 + 211 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 898817763600 + 223304447601 = 948060^2 + 472551^2 .

It is not a de Polignac number, because 1122122211201 - 2⁶ = 1122122211137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122122201201) 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 5 ways as a sum of consecutive naturals, for example, 62340122836 + ... + 62340122853.

Almost surely, 2^{1122122211201} is an apocalyptic number.

It is an amenable number.

1122122211201 is a deficient number, since it is larger than the sum of its proper divisors (498720982769).

1122122211201 is a wasteful number, since it uses less digits than its factorization.

1122122211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124680245695 (or 124680245692 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1122122211201 its reverse (1021122212211), we get a palindrome (2143244423412).

The spelling of 1122122211201 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".