10111100100989 has 2 divisors, whose sum is σ = 10111100100990. Its totient is φ = 10111100100988.

The previous prime is 10111100100973. The next prime is 10111100101007. The reversal of 10111100100989 is 98900100111101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7147682455225 + 2963417645764 = 2673515^2 + 1721458^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111100100989 - 2⁴ = 10111100100973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111100100589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055550050494 + 5055550050495.

It is an arithmetic number, because the mean of its divisors is an integer number (5055550050495).

Almost surely, 2^{10111100100989} is an apocalyptic number.

It is an amenable number.

10111100100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111100100989 is an equidigital number, since it uses as much as digits as its factorization.

10111100100989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 32.

The spelling of 10111100100989 in words is "ten trillion, one hundred eleven billion, one hundred million, one hundred thousand, nine hundred eighty-nine".