11120021212122 has 64 divisors (see below), whose sum is σ = 25105261305600. Its totient is φ = 3647997806400.

The previous prime is 11120021212067. The next prime is 11120021212133. The reversal of 11120021212122 is 22121212002111.

11120021212122 is a `hidden beast` number, since 111 + 200 + 21 + 212 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11120021212095 and 11120021212104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5193597 + ... + 7015232.

It is an arithmetic number, because the mean of its divisors is an integer number (392269707900).

Almost surely, 2^{11120021212122} is an apocalyptic number.

11120021212122 is an abundant number, since it is smaller than the sum of its proper divisors (13985240093478).

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

11120021212122 is a wasteful number, since it uses less digits than its factorization.

11120021212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209108 (or 12209102 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11120021212122 its reverse (22121212002111), we get a palindrome (33241233214233).

The spelling of 11120021212122 in words is "eleven trillion, one hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred twenty-two".