102121120097 has 2 divisors, whose sum is σ = 102121120098. Its totient is φ = 102121120096.

The previous prime is 102121120091. The next prime is 102121120109. The reversal of 102121120097 is 790021121201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85141987681 + 16979132416 = 291791^2 + 130304^2 .

It is a cyclic number.

It is not a de Polignac number, because 102121120097 - 2¹⁶ = 102121054561 is a prime.

It is not a weakly prime, because it can be changed into another prime (102121120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060560048 + 51060560049.

It is an arithmetic number, because the mean of its divisors is an integer number (51060560049).

Almost surely, 2^102121120097 is an apocalyptic number.

It is an amenable number.

102121120097 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121120097 is an equidigital number, since it uses as much as digits as its factorization.

102121120097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 102121120097 its reverse (790021121201), we get a palindrome (892142241298).

The spelling of 102121120097 in words is "one hundred two billion, one hundred twenty-one million, one hundred twenty thousand, ninety-seven".