11011211100097 has 4 divisors (see below), whose sum is σ = 11858227338580. Its totient is φ = 10164194861616.

The previous prime is 11011211100083. The next prime is 11011211100107. The reversal of 11011211100097 is 79000111211011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6121942753536 + 4889268346561 = 2474256^2 + 2211169^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011211100097 - 2¹¹ = 11011211098049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011211103097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423508119222 + ... + 423508119247.

It is an arithmetic number, because the mean of its divisors is an integer number (2964556834645).

Almost surely, 2^{11011211100097} is an apocalyptic number.

It is an amenable number.

11011211100097 is a deficient number, since it is larger than the sum of its proper divisors (847016238483).

11011211100097 is an equidigital number, since it uses as much as digits as its factorization.

11011211100097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847016238482.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 11011211100097 in words is "eleven trillion, eleven billion, two hundred eleven million, one hundred thousand, ninety-seven".