1242223102111 has 8 divisors (see below), whose sum is σ = 1384521104880. Its totient is φ = 1107616883328.

The previous prime is 1242223102103. The next prime is 1242223102177. The reversal of 1242223102111 is 1112013222421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242223102111 - 2³ = 1242223102103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242223102711) 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, 1922945656 + ... + 1922946301.

It is an arithmetic number, because the mean of its divisors is an integer number (173065138110).

Almost surely, 2^{1242223102111} is an apocalyptic number.

1242223102111 is a deficient number, since it is larger than the sum of its proper divisors (142298002769).

1242223102111 is a wasteful number, since it uses less digits than its factorization.

1242223102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845891993.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1242223102111 its reverse (1112013222421), we get a palindrome (2354236324532).

The spelling of 1242223102111 in words is "one trillion, two hundred forty-two billion, two hundred twenty-three million, one hundred two thousand, one hundred eleven".