11122020102001 has 2 divisors, whose sum is σ = 11122020102002. Its totient is φ = 11122020102000.

The previous prime is 11122020101999. The next prime is 11122020102023. The reversal of 11122020102001 is 10020102022111.

11122020102001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6764576774400 + 4357443327601 = 2600880^2 + 2087449^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122020102001 - 2¹ = 11122020101999 is a prime.

It is a super-2 number, since 2×11122020102001² (a number of 27 digits) contains 22 as substring.

Together with 11122020101999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11122020102601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561010051000 + 5561010051001.

It is an arithmetic number, because the mean of its divisors is an integer number (5561010051001).

Almost surely, 2^{11122020102001} is an apocalyptic number.

It is an amenable number.

11122020102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122020102001 is an equidigital number, since it uses as much as digits as its factorization.

11122020102001 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 11122020102001 its reverse (10020102022111), we get a palindrome (21142122124112).

The spelling of 11122020102001 in words is "eleven trillion, one hundred twenty-two billion, twenty million, one hundred two thousand, one".