101001021097 has 2 divisors, whose sum is σ = 101001021098. Its totient is φ = 101001021096.

The previous prime is 101001021083. The next prime is 101001021127. The reversal of 101001021097 is 790120100101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84457659456 + 16543361641 = 290616^2 + 128621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001021097 is a prime.

It is not a weakly prime, because it can be changed into another prime (101001021007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500510548 + 50500510549.

It is an arithmetic number, because the mean of its divisors is an integer number (50500510549).

Almost surely, 2^101001021097 is an apocalyptic number.

It is an amenable number.

101001021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001021097 is an equidigital number, since it uses as much as digits as its factorization.

101001021097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

Adding to 101001021097 its reverse (790120100101), we get a palindrome (891121121198).

The spelling of 101001021097 in words is "one hundred one billion, one million, twenty-one thousand, ninety-seven".