11002121211220 has 96 divisors (see below), whose sum is σ = 25636735208448. Its totient is φ = 3944884703232.

The previous prime is 11002121211217. The next prime is 11002121211253. The reversal of 11002121211220 is 2211212120011.

It is a super-2 number, since 2×11002121211220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11002121211194 and 11002121211203.

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 31 ways as a sum of consecutive naturals, for example, 1197084 + ... + 4841203.

It is an arithmetic number, because the mean of its divisors is an integer number (267049325088).

Almost surely, 2^{11002121211220} is an apocalyptic number.

11002121211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002121211220 is an abundant number, since it is smaller than the sum of its proper divisors (14634613997228).

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

11002121211220 is a wasteful number, since it uses less digits than its factorization.

11002121211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038569 (or 6038567 counting only the distinct ones).

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

Adding to 11002121211220 its reverse (2211212120011), we get a palindrome (13213333331231).

The spelling of 11002121211220 in words is "eleven trillion, two billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twenty".