1002000122231 has 2 divisors, whose sum is σ = 1002000122232. Its totient is φ = 1002000122230.

The previous prime is 1002000122191. The next prime is 1002000122243. The reversal of 1002000122231 is 1322210002001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002000122231 - 2¹⁰ = 1002000121207 is a prime.

It is a super-2 number, since 2×1002000122231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002000122831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501000061115 + 501000061116.

It is an arithmetic number, because the mean of its divisors is an integer number (501000061116).

Almost surely, 2^{1002000122231} is an apocalyptic number.

1002000122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002000122231 is an equidigital number, since it uses as much as digits as its factorization.

1002000122231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1002000122231 its reverse (1322210002001), we get a palindrome (2324210124232).

The spelling of 1002000122231 in words is "one trillion, two billion, one hundred twenty-two thousand, two hundred thirty-one".