101203021289 has 2 divisors, whose sum is σ = 101203021290. Its totient is φ = 101203021288.

The previous prime is 101203021201. The next prime is 101203021369. The reversal of 101203021289 is 982120302101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66265056400 + 34937964889 = 257420^2 + 186917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101203021289 is a prime.

It is not a weakly prime, because it can be changed into another prime (101203021189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601510644 + 50601510645.

It is an arithmetic number, because the mean of its divisors is an integer number (50601510645).

Almost surely, 2^101203021289 is an apocalyptic number.

It is an amenable number.

101203021289 is a deficient number, since it is larger than the sum of its proper divisors (1).

101203021289 is an equidigital number, since it uses as much as digits as its factorization.

101203021289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 101203021289 in words is "one hundred one billion, two hundred three million, twenty-one thousand, two hundred eighty-nine".