1002221211442 has 8 divisors (see below), whose sum is σ = 1639998346032. Its totient is φ = 455555096100.

The previous prime is 1002221211437. The next prime is 1002221211473. The reversal of 1002221211442 is 2441121222001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 45555509611 = 1002221211442 / (1 + 0 + 0 + 2 + 2 + 2 + 1 + 2 + 1 + 1 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22777754784 + ... + 22777754827.

It is an arithmetic number, because the mean of its divisors is an integer number (204999793254).

Almost surely, 2^{1002221211442} is an apocalyptic number.

1002221211442 is a deficient number, since it is larger than the sum of its proper divisors (637777134590).

1002221211442 is a wasteful number, since it uses less digits than its factorization.

1002221211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45555509624.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1002221211442 its reverse (2441121222001), we get a palindrome (3443342433443).

The spelling of 1002221211442 in words is "one trillion, two billion, two hundred twenty-one million, two hundred eleven thousand, four hundred forty-two".