11020120120424 has 8 divisors (see below), whose sum is σ = 20662725225810. Its totient is φ = 5510060060208.

The previous prime is 11020120120423. The next prime is 11020120120487. The reversal of 11020120120424 is 42402102102011.

It can be written as a sum of positive squares in only one way, i.e., 10277679397924 + 742440722500 = 3205882^2 + 861650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11020120120396 and 11020120120405.

It is not an unprimeable number, because it can be changed into a prime (11020120120423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688757507519 + ... + 688757507534.

Almost surely, 2^{11020120120424} is an apocalyptic number.

It is an amenable number.

11020120120424 is a deficient number, since it is larger than the sum of its proper divisors (9642605105386).

11020120120424 is a wasteful number, since it uses less digits than its factorization.

11020120120424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377515015059 (or 1377515015055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11020120120424 its reverse (42402102102011), we get a palindrome (53422222222435).

The spelling of 11020120120424 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred twenty thousand, four hundred twenty-four".