1101224311042 has 4 divisors (see below), whose sum is σ = 1651836466566. Its totient is φ = 550612155520.

The previous prime is 1101224311021. The next prime is 1101224311043. The reversal of 1101224311042 is 2401134221011.

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., 614939840761 + 486284470281 = 784181^2 + 697341^2 .

It is not an unprimeable number, because it can be changed into a prime (1101224311043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275306077759 + ... + 275306077762.

Almost surely, 2^{1101224311042} is an apocalyptic number.

1101224311042 is a deficient number, since it is larger than the sum of its proper divisors (550612155524).

1101224311042 is an equidigital number, since it uses as much as digits as its factorization.

1101224311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550612155523.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1101224311042 its reverse (2401134221011), we get a palindrome (3502358532053).

The spelling of 1101224311042 in words is "one trillion, one hundred one billion, two hundred twenty-four million, three hundred eleven thousand, forty-two".