100101021019997 has 2 divisors, whose sum is σ = 100101021019998. Its totient is φ = 100101021019996.

The previous prime is 100101021019957. The next prime is 100101021020041. The reversal of 100101021019997 is 799910120101001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96831484409401 + 3269536610596 = 9840299^2 + 1808186^2 .

It is a cyclic number.

It is not a de Polignac number, because 100101021019997 - 2⁶ = 100101021019933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100101021019957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050510509998 + 50050510509999.

It is an arithmetic number, because the mean of its divisors is an integer number (50050510509999).

Almost surely, 2^{100101021019997} is an apocalyptic number.

It is an amenable number.

100101021019997 is a deficient number, since it is larger than the sum of its proper divisors (1).

100101021019997 is an equidigital number, since it uses as much as digits as its factorization.

100101021019997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 100101021019997 in words is "one hundred trillion, one hundred one billion, twenty-one million, nineteen thousand, nine hundred ninety-seven".