1144122021202 has 4 divisors (see below), whose sum is σ = 1716183031806. Its totient is φ = 572061010600.

The previous prime is 1144122021149. The next prime is 1144122021209. The reversal of 1144122021202 is 2021202214411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 771605884921 + 372516136281 = 878411^2 + 610341^2 .

It is not an unprimeable number, because it can be changed into a prime (1144122021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286030505299 + ... + 286030505302.

Almost surely, 2^{1144122021202} is an apocalyptic number.

1144122021202 is a deficient number, since it is larger than the sum of its proper divisors (572061010604).

1144122021202 is an equidigital number, since it uses as much as digits as its factorization.

1144122021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572061010603.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1144122021202 its reverse (2021202214411), we get a palindrome (3165324235613).

The spelling of 1144122021202 in words is "one trillion, one hundred forty-four billion, one hundred twenty-two million, twenty-one thousand, two hundred two".