11000021022097 has 4 divisors (see below), whose sum is σ = 11180349235636. Its totient is φ = 10819692808560.

The previous prime is 11000021022061. The next prime is 11000021022103. The reversal of 11000021022097 is 79022012000011.

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 3520693075201 + 7479327946896 = 1876351^2 + 2734836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000021022097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000021020097) 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, 90164106678 + ... + 90164106799.

It is an arithmetic number, because the mean of its divisors is an integer number (2795087308909).

Almost surely, 2^{11000021022097} is an apocalyptic number.

It is an amenable number.

11000021022097 is a deficient number, since it is larger than the sum of its proper divisors (180328213539).

11000021022097 is an equidigital number, since it uses as much as digits as its factorization.

11000021022097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180328213538.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 11000021022097 in words is "eleven trillion, twenty-one million, twenty-two thousand, ninety-seven".