1222201110231 has 6 divisors (see below), whose sum is σ = 1765401603680. Its totient is φ = 814800740148.

The previous prime is 1222201110217. The next prime is 1222201110233. The reversal of 1222201110231 is 1320111022221.

1222201110231 is a `hidden beast` number, since 1 + 222 + 201 + 1 + 10 + 231 = 666.

It is not a de Polignac number, because 1222201110231 - 2¹³ = 1222201102039 is a prime.

It is a super-2 number, since 2×1222201110231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222201110233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67900061671 + ... + 67900061688.

Almost surely, 2^{1222201110231} is an apocalyptic number.

1222201110231 is a deficient number, since it is larger than the sum of its proper divisors (543200493449).

1222201110231 is a wasteful number, since it uses less digits than its factorization.

1222201110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135800123365 (or 135800123362 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1222201110231 its reverse (1320111022221), we get a palindrome (2542312132452).

The spelling of 1222201110231 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one hundred ten thousand, two hundred thirty-one".