100222012442 has 4 divisors (see below), whose sum is σ = 150333018666. Its totient is φ = 50111006220.

The previous prime is 100222012439. The next prime is 100222012463. The reversal of 100222012442 is 244210222001.

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., 99452560321 + 769452121 = 315361^2 + 27739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055503109 + ... + 25055503112.

Almost surely, 2^100222012442 is an apocalyptic number.

100222012442 is a deficient number, since it is larger than the sum of its proper divisors (50111006224).

100222012442 is an equidigital number, since it uses as much as digits as its factorization.

100222012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111006223.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100222012442 its reverse (244210222001), we get a palindrome (344432234443).

The spelling of 100222012442 in words is "one hundred billion, two hundred twenty-two million, twelve thousand, four hundred forty-two".