102021212122097 has 2 divisors, whose sum is σ = 102021212122098. Its totient is φ = 102021212122096.

The previous prime is 102021212122087. The next prime is 102021212122111. The reversal of 102021212122097 is 790221212120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51771133286656 + 50250078835441 = 7195216^2 + 7088729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102021212122097 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021212122087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010606061048 + 51010606061049.

It is an arithmetic number, because the mean of its divisors is an integer number (51010606061049).

Almost surely, 2^{102021212122097} is an apocalyptic number.

It is an amenable number.

102021212122097 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021212122097 is an equidigital number, since it uses as much as digits as its factorization.

102021212122097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 102021212122097 its reverse (790221212120201), we get a palindrome (892242424242298).

The spelling of 102021212122097 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred twenty-two thousand, ninety-seven".