1174542226221 has 16 divisors (see below), whose sum is σ = 1927453910144. Its totient is φ = 619538756544.

The previous prime is 1174542226171. The next prime is 1174542226261. The reversal of 1174542226221 is 1226222454711.

It is not a de Polignac number, because 1174542226221 - 2¹⁵ = 1174542193453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1174542226221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1174542226261) 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 15 ways as a sum of consecutive naturals, for example, 2151175966 + ... + 2151176511.

It is an arithmetic number, because the mean of its divisors is an integer number (120465869384).

Almost surely, 2^{1174542226221} is an apocalyptic number.

It is an amenable number.

1174542226221 is a deficient number, since it is larger than the sum of its proper divisors (752911683923).

1174542226221 is a wasteful number, since it uses less digits than its factorization.

1174542226221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302352500.

The product of its digits is 107520, while the sum is 39.

The spelling of 1174542226221 in words is "one trillion, one hundred seventy-four billion, five hundred forty-two million, two hundred twenty-six thousand, two hundred twenty-one".