1002022110191 has 4 divisors (see below), whose sum is σ = 1002024174984. Its totient is φ = 1002020045400.

The previous prime is 1002022110163. The next prime is 1002022110197. The reversal of 1002022110191 is 1910112202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002022110191 - 2³⁰ = 1000948368367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022110197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137261 + ... + 1422281.

It is an arithmetic number, because the mean of its divisors is an integer number (250506043746).

Almost surely, 2^{1002022110191} is an apocalyptic number.

1002022110191 is a deficient number, since it is larger than the sum of its proper divisors (2064793).

1002022110191 is an equidigital number, since it uses as much as digits as its factorization.

1002022110191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064792.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1002022110191 its reverse (1910112202001), we get a palindrome (2912134312192).

The spelling of 1002022110191 in words is "one trillion, two billion, twenty-two million, one hundred ten thousand, one hundred ninety-one".