212100110969 has 2 divisors, whose sum is σ = 212100110970. Its totient is φ = 212100110968.

The previous prime is 212100110951. The next prime is 212100111059. The reversal of 212100110969 is 969011001212.

212100110969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107198617744 + 104901493225 = 327412^2 + 323885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212100110969 is a prime.

It is a super-2 number, since 2×212100110969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212100110069) 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, 106050055484 + 106050055485.

It is an arithmetic number, because the mean of its divisors is an integer number (106050055485).

Almost surely, 2^212100110969 is an apocalyptic number.

It is an amenable number.

212100110969 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100110969 is an equidigital number, since it uses as much as digits as its factorization.

212100110969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 212100110969 in words is "two hundred twelve billion, one hundred million, one hundred ten thousand, nine hundred sixty-nine".