11012100001097 has 4 divisors (see below), whose sum is σ = 11859184616580. Its totient is φ = 10165015385616.

The previous prime is 11012100001057. The next prime is 11012100001099. The reversal of 11012100001097 is 79010000121011.

It is a happy number.

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 4480655963536 + 6531444037561 = 2116756^2 + 2555669^2 .

It is not a de Polignac number, because 11012100001097 - 2²⁴ = 11012083223881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012100001099) 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, 423542307722 + ... + 423542307747.

It is an arithmetic number, because the mean of its divisors is an integer number (2964796154145).

Almost surely, 2^{11012100001097} is an apocalyptic number.

It is an amenable number.

11012100001097 is a deficient number, since it is larger than the sum of its proper divisors (847084615483).

11012100001097 is an equidigital number, since it uses as much as digits as its factorization.

11012100001097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847084615482.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 11012100001097 in words is "eleven trillion, twelve billion, one hundred million, one thousand, ninety-seven".