97002021001 has 2 divisors, whose sum is σ = 97002021002. Its totient is φ = 97002021000.

The previous prime is 97002020971. The next prime is 97002021019. The reversal of 97002021001 is 10012020079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96176895376 + 825125625 = 310124^2 + 28725^2 .

It is an emirp because it is prime and its reverse (10012020079) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97002021001 is a prime.

It is not a weakly prime, because it can be changed into another prime (97002061001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48501010500 + 48501010501.

It is an arithmetic number, because the mean of its divisors is an integer number (48501010501).

Almost surely, 2^97002021001 is an apocalyptic number.

It is an amenable number.

97002021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

97002021001 is an equidigital number, since it uses as much as digits as its factorization.

97002021001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The spelling of 97002021001 in words is "ninety-seven billion, two million, twenty-one thousand, one".