11020121201101 has 2 divisors, whose sum is σ = 11020121201102. Its totient is φ = 11020121201100.

The previous prime is 11020121201077. The next prime is 11020121201113. The reversal of 11020121201101 is 10110212102011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7122221225001 + 3897899976100 = 2668749^2 + 1974310^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020121201101 - 2⁷ = 11020121200973 is a prime.

It is a super-2 number, since 2×11020121201101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020121201801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510060600550 + 5510060600551.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060600551).

Almost surely, 2^{11020121201101} is an apocalyptic number.

It is an amenable number.

11020121201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020121201101 is an equidigital number, since it uses as much as digits as its factorization.

11020121201101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020121201101 its reverse (10110212102011), we get a palindrome (21130333303112).

It can be divided in two parts, 11020 and 121201101, that added together give a palindrome (121212121).

The spelling of 11020121201101 in words is "eleven trillion, twenty billion, one hundred twenty-one million, two hundred one thousand, one hundred one".