210102100097 has 2 divisors, whose sum is σ = 210102100098. Its totient is φ = 210102100096.

The previous prime is 210102099973. The next prime is 210102100123. The reversal of 210102100097 is 790001201012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159044630416 + 51057469681 = 398804^2 + 225959^2 .

It is a cyclic number.

It is not a de Polignac number, because 210102100097 - 2¹⁰ = 210102099073 is a prime.

It is not a weakly prime, because it can be changed into another prime (210102100297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051050048 + 105051050049.

It is an arithmetic number, because the mean of its divisors is an integer number (105051050049).

Almost surely, 2^210102100097 is an apocalyptic number.

It is an amenable number.

210102100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102100097 is an equidigital number, since it uses as much as digits as its factorization.

210102100097 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 23.

The spelling of 210102100097 in words is "two hundred ten billion, one hundred two million, one hundred thousand, ninety-seven".