1222231010111 has 8 divisors (see below), whose sum is σ = 1238841016320. Its totient is φ = 1205649472248.

The previous prime is 1222231010101. The next prime is 1222231010131. The reversal of 1222231010111 is 1110101322221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222231010111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222231010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222231010101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7030631 + ... + 7202376.

It is an arithmetic number, because the mean of its divisors is an integer number (154855127040).

Almost surely, 2^{1222231010111} is an apocalyptic number.

1222231010111 is a deficient number, since it is larger than the sum of its proper divisors (16610006209).

1222231010111 is a wasteful number, since it uses less digits than its factorization.

1222231010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234173.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1222231010111 its reverse (1110101322221), we get a palindrome (2332332332332).

The spelling of 1222231010111 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, ten thousand, one hundred eleven".