11020121012 has 24 divisors (see below), whose sum is σ = 20011666752. Its totient is φ = 5306112000.

The previous prime is 11020120997. The next prime is 11020121023. The reversal of 11020121012 is 21012102011.

11020121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11020120984 and 11020121002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438989 + ... + 463412.

It is an arithmetic number, because the mean of its divisors is an integer number (833819448).

Almost surely, 2^11020121012 is an apocalyptic number.

It is an amenable number.

11020121012 is a deficient number, since it is larger than the sum of its proper divisors (8991545740).

11020121012 is a wasteful number, since it uses less digits than its factorization.

11020121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902519 (or 902517 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020121012 its reverse (21012102011), we get a palindrome (32032223023).

The spelling of 11020121012 in words is "eleven billion, twenty million, one hundred twenty-one thousand, twelve".