1011214442243 has 4 divisors (see below), whose sum is σ = 1025456899248. Its totient is φ = 996971985240.

The previous prime is 1011214442233. The next prime is 1011214442311. The reversal of 1011214442243 is 3422444121101.

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 1011214442243 - 2⁶ = 1011214442179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011214442233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7121228396 + ... + 7121228537.

It is an arithmetic number, because the mean of its divisors is an integer number (256364224812).

Almost surely, 2^{1011214442243} is an apocalyptic number.

1011214442243 is a deficient number, since it is larger than the sum of its proper divisors (14242457005).

1011214442243 is an equidigital number, since it uses as much as digits as its factorization.

1011214442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14242457004.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1011214442243 its reverse (3422444121101), we get a palindrome (4433658563344).

The spelling of 1011214442243 in words is "one trillion, eleven billion, two hundred fourteen million, four hundred forty-two thousand, two hundred forty-three".