101012200789 has 2 divisors, whose sum is σ = 101012200790. Its totient is φ = 101012200788.

The previous prime is 101012200781. The next prime is 101012200811. The reversal of 101012200789 is 987002210101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55987604689 + 45024596100 = 236617^2 + 212190^2 .

It is a cyclic number.

It is not a de Polignac number, because 101012200789 - 2³ = 101012200781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101012200789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012200781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506100394 + 50506100395.

It is an arithmetic number, because the mean of its divisors is an integer number (50506100395).

Almost surely, 2^101012200789 is an apocalyptic number.

It is an amenable number.

101012200789 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012200789 is an equidigital number, since it uses as much as digits as its factorization.

101012200789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 101012200789 in words is "one hundred one billion, twelve million, two hundred thousand, seven hundred eighty-nine".