11020121010 has 32 divisors (see below), whose sum is σ = 29386990080. Its totient is φ = 2938698864.

The previous prime is 11020120997. The next prime is 11020121023. The reversal of 11020121010 is 1012102011.

It is a happy number.

11020121010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11020120997) and next prime (11020121023).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11020120983 and 11020121001.

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 15 ways as a sum of consecutive naturals, for example, 20407362 + ... + 20407901.

It is an arithmetic number, because the mean of its divisors is an integer number (918343440).

Almost surely, 2^11020121010 is an apocalyptic number.

11020121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020121010 is an abundant number, since it is smaller than the sum of its proper divisors (18366869070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020121010 is a wasteful number, since it uses less digits than its factorization.

11020121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40815279 (or 40815273 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11020121010 its reverse (1012102011), we get a palindrome (12032223021).

The spelling of 11020121010 in words is "eleven billion, twenty million, one hundred twenty-one thousand, ten".