1219242388101 has 8 divisors (see below), whose sum is σ = 1681713638880. Its totient is φ = 784799698032.

The previous prime is 1219242388073. The next prime is 1219242388121. The reversal of 1219242388101 is 1018832429121.

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

It is not a de Polignac number, because 1219242388101 - 2¹¹ = 1219242386053 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1219242388121) 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, 7007140075 + ... + 7007140248.

It is an arithmetic number, because the mean of its divisors is an integer number (210214204860).

Almost surely, 2^{1219242388101} is an apocalyptic number.

It is an amenable number.

1219242388101 is a deficient number, since it is larger than the sum of its proper divisors (462471250779).

1219242388101 is a wasteful number, since it uses less digits than its factorization.

1219242388101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014280355.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 1219242388101 in words is "one trillion, two hundred nineteen billion, two hundred forty-two million, three hundred eighty-eight thousand, one hundred one".