1222142100231 has 8 divisors (see below), whose sum is σ = 1754870708080. Its totient is φ = 752087446272.

The previous prime is 1222142100169. The next prime is 1222142100241. The reversal of 1222142100231 is 1320012412221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222142100231 - 2¹¹ = 1222142098183 is a prime.

It is a super-2 number, since 2×1222142100231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222142100198 and 1222142100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222142100241) 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 7 ways as a sum of consecutive naturals, for example, 15668488426 + ... + 15668488503.

It is an arithmetic number, because the mean of its divisors is an integer number (219358838510).

Almost surely, 2^{1222142100231} is an apocalyptic number.

1222142100231 is a deficient number, since it is larger than the sum of its proper divisors (532728607849).

1222142100231 is a wasteful number, since it uses less digits than its factorization.

1222142100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31336976945.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1222142100231 its reverse (1320012412221), we get a palindrome (2542154512452).

The spelling of 1222142100231 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, one hundred thousand, two hundred thirty-one".