10202201111989 has 2 divisors, whose sum is σ = 10202201111990. Its totient is φ = 10202201111988.

The previous prime is 10202201111957. The next prime is 10202201112029. The reversal of 10202201111989 is 98911110220201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9801470332900 + 400730779089 = 3130730^2 + 633033^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202201111989 - 2⁵ = 10202201111957 is a prime.

It is a super-2 number, since 2×10202201111989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202201111189) 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, 5101100555994 + 5101100555995.

It is an arithmetic number, because the mean of its divisors is an integer number (5101100555995).

Almost surely, 2^{10202201111989} is an apocalyptic number.

It is an amenable number.

10202201111989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202201111989 is an equidigital number, since it uses as much as digits as its factorization.

10202201111989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 10202201111989 in words is "ten trillion, two hundred two billion, two hundred one million, one hundred eleven thousand, nine hundred eighty-nine".