1122212202201 has 12 divisors (see below), whose sum is σ = 1623670315540. Its totient is φ = 746896636800.

The previous prime is 1122212202193. The next prime is 1122212202229. The reversal of 1122212202201 is 1022022122211.

It is a happy number.

1122212202201 is a `hidden beast` number, since 1 + 1 + 2 + 221 + 220 + 220 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 876096000000 + 246116202201 = 936000^2 + 496101^2 .

It is not a de Polignac number, because 1122212202201 - 2³ = 1122212202193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122212202281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103730236 + ... + 103741053.

Almost surely, 2^{1122212202201} is an apocalyptic number.

It is an amenable number.

1122212202201 is a deficient number, since it is larger than the sum of its proper divisors (501458113339).

1122212202201 is a wasteful number, since it uses less digits than its factorization.

1122212202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207471896 (or 207471893 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122212202201 its reverse (1022022122211), we get a palindrome (2144234324412).

The spelling of 1122212202201 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred two thousand, two hundred one".