11023422142 has 4 divisors (see below), whose sum is σ = 16535133216. Its totient is φ = 5511711070.

The previous prime is 11023422133. The next prime is 11023422143. The reversal of 11023422142 is 24122432011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24122432011 = 48527 ⋅497093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023422143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755855534 + ... + 2755855537.

It is an arithmetic number, because the mean of its divisors is an integer number (4133783304).

Almost surely, 2^11023422142 is an apocalyptic number.

11023422142 is a deficient number, since it is larger than the sum of its proper divisors (5511711074).

11023422142 is an equidigital number, since it uses as much as digits as its factorization.

11023422142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511711073.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11023422142 its reverse (24122432011), we get a palindrome (35145854153).

The spelling of 11023422142 in words is "eleven billion, twenty-three million, four hundred twenty-two thousand, one hundred forty-two".