10001201021969 has 2 divisors, whose sum is σ = 10001201021970. Its totient is φ = 10001201021968.

The previous prime is 10001201021957. The next prime is 10001201022049. The reversal of 10001201021969 is 96912010210001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9039403033600 + 961797988369 = 3006560^2 + 980713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001201021969 is a prime.

It is a super-2 number, since 2×10001201021969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10001201021569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000600510984 + 5000600510985.

It is an arithmetic number, because the mean of its divisors is an integer number (5000600510985).

Almost surely, 2^{10001201021969} is an apocalyptic number.

It is an amenable number.

10001201021969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001201021969 is an equidigital number, since it uses as much as digits as its factorization.

10001201021969 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10001201021969 in words is "ten trillion, one billion, two hundred one million, twenty-one thousand, nine hundred sixty-nine".