10102021210997 has 2 divisors, whose sum is σ = 10102021210998. Its totient is φ = 10102021210996.

The previous prime is 10102021210949. The next prime is 10102021211003. The reversal of 10102021210997 is 79901212020101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8867286884401 + 1234734326596 = 2977799^2 + 1111186^2 .

It is an emirp because it is prime and its reverse (79901212020101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10102021210997 - 2⁸ = 10102021210741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102021270997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051010605498 + 5051010605499.

It is an arithmetic number, because the mean of its divisors is an integer number (5051010605499).

Almost surely, 2^{10102021210997} is an apocalyptic number.

It is an amenable number.

10102021210997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102021210997 is an equidigital number, since it uses as much as digits as its factorization.

10102021210997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 10102021210997 in words is "ten trillion, one hundred two billion, twenty-one million, two hundred ten thousand, nine hundred ninety-seven".