11020120121011 has 8 divisors (see below), whose sum is σ = 11051977305600. Its totient is φ = 10988269384200.

The previous prime is 11020120120963. The next prime is 11020120121033. The reversal of 11020120121011 is 11012102102011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020120121011 - 2³⁷ = 10882681167539 is a prime.

It is a super-2 number, since 2×11020120121011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020120120982 and 11020120121000.

It is not an unprimeable number, because it can be changed into a prime (11020120121911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821820 + ... + 5035798.

It is an arithmetic number, because the mean of its divisors is an integer number (1381497163200).

Almost surely, 2^{11020120121011} is an apocalyptic number.

11020120121011 is a deficient number, since it is larger than the sum of its proper divisors (31857184589).

11020120121011 is an equidigital number, since it uses as much as digits as its factorization.

11020120121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223889.

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

Adding to 11020120121011 its reverse (11012102102011), we get a palindrome (22032222223022).

The spelling of 11020120121011 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred twenty-one thousand, eleven".