11221010212120 has 32 divisors (see below), whose sum is σ = 25624097953200. Its totient is φ = 4421412978048.

The previous prime is 11221010212099. The next prime is 11221010212121. The reversal of 11221010212120 is 2121201012211.

It is a super-2 number, since 2×11221010212120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221010212094 and 11221010212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221010212121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093469375 + ... + 2093474734.

Almost surely, 2^{11221010212120} is an apocalyptic number.

11221010212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221010212120 is an abundant number, since it is smaller than the sum of its proper divisors (14403087741080).

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

11221010212120 is a wasteful number, since it uses less digits than its factorization.

11221010212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186944187 (or 4186944183 counting only the distinct ones).

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

Adding to 11221010212120 its reverse (2121201012211), we get a palindrome (13342211224331).

The spelling of 11221010212120 in words is "eleven trillion, two hundred twenty-one billion, ten million, two hundred twelve thousand, one hundred twenty".