11020022122001 has 4 divisors (see below), whose sum is σ = 11020030484004. Its totient is φ = 11020013760000.

The previous prime is 11020022121991. The next prime is 11020022122051. The reversal of 11020022122001 is 10022122002011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10601542512001 + 418479610000 = 3256001^2 + 646900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020022122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020022122051) 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, 1722200 + ... + 5000601.

It is an arithmetic number, because the mean of its divisors is an integer number (2755007621001).

Almost surely, 2^{11020022122001} is an apocalyptic number.

It is an amenable number.

11020022122001 is a deficient number, since it is larger than the sum of its proper divisors (8362003).

11020022122001 is an equidigital number, since it uses as much as digits as its factorization.

11020022122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362002.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11020022122001 its reverse (10022122002011), we get a palindrome (21042144124012).

The spelling of 11020022122001 in words is "eleven trillion, twenty billion, twenty-two million, one hundred twenty-two thousand, one".