1243002022211 has 4 divisors (see below), whose sum is σ = 1245698339424. Its totient is φ = 1240305705000.

The previous prime is 1243002022201. The next prime is 1243002022259. The reversal of 1243002022211 is 1122202003421.

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

It is a cyclic number.

It is not a de Polignac number, because 1243002022211 - 2¹⁴ = 1243002005827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243002022201) 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 3 ways as a sum of consecutive naturals, for example, 1348157915 + ... + 1348158836.

It is an arithmetic number, because the mean of its divisors is an integer number (311424584856).

Almost surely, 2^{1243002022211} is an apocalyptic number.

1243002022211 is a deficient number, since it is larger than the sum of its proper divisors (2696317213).

1243002022211 is an equidigital number, since it uses as much as digits as its factorization.

1243002022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696317212.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1243002022211 its reverse (1122202003421), we get a palindrome (2365204025632).

The spelling of 1243002022211 in words is "one trillion, two hundred forty-three billion, two million, twenty-two thousand, two hundred eleven".