2102021310097 has 2 divisors, whose sum is σ = 2102021310098. Its totient is φ = 2102021310096.

The previous prime is 2102021310073. The next prime is 2102021310107. The reversal of 2102021310097 is 7900131202012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191134314881 + 910886995216 = 1091391^2 + 954404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102021310097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102021310047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051010655048 + 1051010655049.

It is an arithmetic number, because the mean of its divisors is an integer number (1051010655049).

Almost surely, 2^{2102021310097} is an apocalyptic number.

It is an amenable number.

2102021310097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102021310097 is an equidigital number, since it uses as much as digits as its factorization.

2102021310097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 2102021310097 in words is "two trillion, one hundred two billion, twenty-one million, three hundred ten thousand, ninety-seven".