201100000421069 has 2 divisors, whose sum is σ = 201100000421070. Its totient is φ = 201100000421068.

The previous prime is 201100000420961. The next prime is 201100000421213. The reversal of 201100000421069 is 960124000001102.

Together with previous prime (201100000420961) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116873677720969 + 84226322700100 = 10810813^2 + 9177490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201100000421069 is a prime.

It is a super-2 number, since 2×201100000421069² (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 (201100050421069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550000210534 + 100550000210535.

It is an arithmetic number, because the mean of its divisors is an integer number (100550000210535).

Almost surely, 2^{201100000421069} is an apocalyptic number.

It is an amenable number.

201100000421069 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100000421069 is an equidigital number, since it uses as much as digits as its factorization.

201100000421069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 201100000421069 in words is "two hundred one trillion, one hundred billion, four hundred twenty-one thousand, sixty-nine".