11021011222120 has 16 divisors (see below), whose sum is σ = 24797275249860. Its totient is φ = 4408404488832.

The previous prime is 11021011222099. The next prime is 11021011222139. The reversal of 11021011222120 is 2122211012011.

It can be written as a sum of positive squares in 2 ways, for example, as 9978737659396 + 1042273562724 = 3158914^2 + 1020918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11021011222094 and 11021011222103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137762640237 + ... + 137762640316.

Almost surely, 2^{11021011222120} is an apocalyptic number.

11021011222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021011222120 is an abundant number, since it is smaller than the sum of its proper divisors (13776264027740).

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

11021011222120 is a wasteful number, since it uses less digits than its factorization.

11021011222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275525280564 (or 275525280560 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021011222120 its reverse (2122211012011), we get a palindrome (13143222234131).

The spelling of 11021011222120 in words is "eleven trillion, twenty-one billion, eleven million, two hundred twenty-two thousand, one hundred twenty".