1021122200239 has 2 divisors, whose sum is σ = 1021122200240. Its totient is φ = 1021122200238.

The previous prime is 1021122200183. The next prime is 1021122200297. The reversal of 1021122200239 is 9320022211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021122200239 - 2¹⁷ = 1021122069167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021122200299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510561100119 + 510561100120.

It is an arithmetic number, because the mean of its divisors is an integer number (510561100120).

Almost surely, 2^{1021122200239} is an apocalyptic number.

1021122200239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021122200239 is an equidigital number, since it uses as much as digits as its factorization.

1021122200239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1021122200239 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred thirty-nine".