22001102121001 has 2 divisors, whose sum is σ = 22001102121002. Its totient is φ = 22001102121000.

The previous prime is 22001102120989. The next prime is 22001102121007. The reversal of 22001102121001 is 10012120110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20706604303401 + 1294497817600 = 4550451^2 + 1137760^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001102121001 - 2¹⁵ = 22001102088233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001102121007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000551060500 + 11000551060501.

It is an arithmetic number, because the mean of its divisors is an integer number (11000551060501).

Almost surely, 2^{22001102121001} is an apocalyptic number.

It is an amenable number.

22001102121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001102121001 is an equidigital number, since it uses as much as digits as its factorization.

22001102121001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22001102121001 its reverse (10012120110022), we get a palindrome (32013222231023).

The spelling of 22001102121001 in words is "twenty-two trillion, one billion, one hundred two million, one hundred twenty-one thousand, one".