200102210021969 has 2 divisors, whose sum is σ = 200102210021970. Its totient is φ = 200102210021968.

The previous prime is 200102210021957. The next prime is 200102210022049. The reversal of 200102210021969 is 969120012201002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122626565921344 + 77475644100625 = 11073688^2 + 8802025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200102210021969 is a prime.

It is a super-2 number, since 2×200102210021969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200102210020969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051105010984 + 100051105010985.

It is an arithmetic number, because the mean of its divisors is an integer number (100051105010985).

Almost surely, 2^{200102210021969} is an apocalyptic number.

It is an amenable number.

200102210021969 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102210021969 is an equidigital number, since it uses as much as digits as its factorization.

200102210021969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 200102210021969 in words is "two hundred trillion, one hundred two billion, two hundred ten million, twenty-one thousand, nine hundred sixty-nine".