10011220209097 has 2 divisors, whose sum is σ = 10011220209098. Its totient is φ = 10011220209096.

The previous prime is 10011220209071. The next prime is 10011220209139. The reversal of 10011220209097 is 79090202211001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7179205795216 + 2832014413881 = 2679404^2 + 1682859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011220209097 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011220209017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005610104548 + 5005610104549.

It is an arithmetic number, because the mean of its divisors is an integer number (5005610104549).

Almost surely, 2^{10011220209097} is an apocalyptic number.

It is an amenable number.

10011220209097 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011220209097 is an equidigital number, since it uses as much as digits as its factorization.

10011220209097 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 34.

The spelling of 10011220209097 in words is "ten trillion, eleven billion, two hundred twenty million, two hundred nine thousand, ninety-seven".