100201219969 has 2 divisors, whose sum is σ = 100201219970. Its totient is φ = 100201219968.

The previous prime is 100201219939. The next prime is 100201220003. The reversal of 100201219969 is 969912102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77877274225 + 22323945744 = 279065^2 + 149412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100201219969 is a prime.

It is a super-2 number, since 2×100201219969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100201219939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100609984 + 50100609985.

It is an arithmetic number, because the mean of its divisors is an integer number (50100609985).

Almost surely, 2^100201219969 is an apocalyptic number.

It is an amenable number.

100201219969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201219969 is an equidigital number, since it uses as much as digits as its factorization.

100201219969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 100201219969 in words is "one hundred billion, two hundred one million, two hundred nineteen thousand, nine hundred sixty-nine".