11012102021011 has 48 divisors (see below), whose sum is σ = 14134378245120. Its totient is φ = 8498844103680.

The previous prime is 11012102021003. The next prime is 11012102021083. The reversal of 11012102021011 is 11012020121011.

It is a happy number.

It is not a de Polignac number, because 11012102021011 - 2³ = 11012102021003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11012102020982 and 11012102021000.

It is not an unprimeable number, because it can be changed into a prime (11012102121011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158991790 + ... + 159061036.

It is an arithmetic number, because the mean of its divisors is an integer number (294466213440).

Almost surely, 2^{11012102021011} is an apocalyptic number.

11012102021011 is a deficient number, since it is larger than the sum of its proper divisors (3122276224109).

11012102021011 is a wasteful number, since it uses less digits than its factorization.

11012102021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75404 (or 75397 counting only the distinct ones).

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

Adding to 11012102021011 its reverse (11012020121011), we get a palindrome (22024122142022).

The spelling of 11012102021011 in words is "eleven trillion, twelve billion, one hundred two million, twenty-one thousand, eleven".