110010211121989 has 2 divisors, whose sum is σ = 110010211121990. Its totient is φ = 110010211121988.

The previous prime is 110010211121929. The next prime is 110010211122011. The reversal of 110010211121989 is 989121112010011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63821197059489 + 46189014062500 = 7988817^2 + 6796250^2 .

It is a cyclic number.

It is not a de Polignac number, because 110010211121989 - 2³⁵ = 109975851383621 is a prime.

It is a super-2 number, since 2×110010211121989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110010211121929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005105560994 + 55005105560995.

It is an arithmetic number, because the mean of its divisors is an integer number (55005105560995).

Almost surely, 2^{110010211121989} is an apocalyptic number.

It is an amenable number.

110010211121989 is a deficient number, since it is larger than the sum of its proper divisors (1).

110010211121989 is an equidigital number, since it uses as much as digits as its factorization.

110010211121989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 37.

The spelling of 110010211121989 in words is "one hundred ten trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, nine hundred eighty-nine".