11020101121 has 2 divisors, whose sum is σ = 11020101122. Its totient is φ = 11020101120.

The previous prime is 11020101101. The next prime is 11020101133. The reversal of 11020101121 is 12110102011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8712355600 + 2307745521 = 93340^2 + 48039^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020101121 - 2²⁹ = 10483230209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020101098 and 11020101107.

It is not a weakly prime, because it can be changed into another prime (11020101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510050560 + 5510050561.

It is an arithmetic number, because the mean of its divisors is an integer number (5510050561).

Almost surely, 2^11020101121 is an apocalyptic number.

It is an amenable number.

11020101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020101121 is an equidigital number, since it uses as much as digits as its factorization.

11020101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11020101121 its reverse (12110102011), we get a palindrome (23130203132).

The spelling of 11020101121 in words is "eleven billion, twenty million, one hundred one thousand, one hundred twenty-one".