120211220989 has 2 divisors, whose sum is σ = 120211220990. Its totient is φ = 120211220988.

The previous prime is 120211220963. The next prime is 120211221059. The reversal of 120211220989 is 989022112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101426325625 + 18784895364 = 318475^2 + 137058^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211220989 - 2⁷ = 120211220861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120211260989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105610494 + 60105610495.

It is an arithmetic number, because the mean of its divisors is an integer number (60105610495).

Almost surely, 2^120211220989 is an apocalyptic number.

It is an amenable number.

120211220989 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211220989 is an equidigital number, since it uses as much as digits as its factorization.

120211220989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 120211220989 in words is "one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, nine hundred eighty-nine".