1001220202022 has 8 divisors (see below), whose sum is σ = 1501834929672. Its totient is φ = 500608558800.

The previous prime is 1001220202019. The next prime is 1001220202067. The reversal of 1001220202022 is 2202020221001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1001220201988 and 1001220202006.

It is a congruent number.

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, 390197 + ... + 1467887.

It is an arithmetic number, because the mean of its divisors is an integer number (187729366209).

Almost surely, 2^{1001220202022} is an apocalyptic number.

1001220202022 is a deficient number, since it is larger than the sum of its proper divisors (500614727650).

1001220202022 is a wasteful number, since it uses less digits than its factorization.

1001220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542214.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1001220202022 its reverse (2202020221001), we get a palindrome (3203240423023).

It can be divided in two parts, 1001 and 220202022, that multiplied together give a palindrome (220422224022).

The spelling of 1001220202022 in words is "one trillion, one billion, two hundred twenty million, two hundred two thousand, twenty-two".