101021093897 has 2 divisors, whose sum is σ = 101021093898. Its totient is φ = 101021093896.

The previous prime is 101021093891. The next prime is 101021093903. The reversal of 101021093897 is 798390120101.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (101021093891) and next prime (101021093903).

It can be written as a sum of positive squares in only one way, i.e., 65731217161 + 35289876736 = 256381^2 + 187856^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021093897 - 2⁴ = 101021093881 is a prime.

It is a super-2 number, since 2×101021093897² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101021093891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510546948 + 50510546949.

It is an arithmetic number, because the mean of its divisors is an integer number (50510546949).

Almost surely, 2^101021093897 is an apocalyptic number.

It is an amenable number.

101021093897 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021093897 is an equidigital number, since it uses as much as digits as its factorization.

101021093897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 101021093897 in words is "one hundred one billion, twenty-one million, ninety-three thousand, eight hundred ninety-seven".