1102343213042 has 4 divisors (see below), whose sum is σ = 1653514819566. Its totient is φ = 551171606520.

The previous prime is 1102343213039. The next prime is 1102343213047. The reversal of 1102343213042 is 2403123432011.

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., 1071247770121 + 31095442921 = 1035011^2 + 176339^2 .

It is not an unprimeable number, because it can be changed into a prime (1102343213047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275585803259 + ... + 275585803262.

Almost surely, 2^{1102343213042} is an apocalyptic number.

1102343213042 is a deficient number, since it is larger than the sum of its proper divisors (551171606524).

1102343213042 is an equidigital number, since it uses as much as digits as its factorization.

1102343213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551171606523.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1102343213042 its reverse (2403123432011), we get a palindrome (3505466645053).

The spelling of 1102343213042 in words is "one trillion, one hundred two billion, three hundred forty-three million, two hundred thirteen thousand, forty-two".