11221010012120 has 64 divisors (see below), whose sum is σ = 25724589599520. Its totient is φ = 4403553915904.

The previous prime is 11221010012111. The next prime is 11221010012171. The reversal of 11221010012120 is 2121001012211.

It is a super-2 number, since 2×11221010012120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221010012095 and 11221010012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68387699 + ... + 68551581.

Almost surely, 2^{11221010012120} is an apocalyptic number.

11221010012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221010012120 is an abundant number, since it is smaller than the sum of its proper divisors (14503579587400).

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

11221010012120 is a wasteful number, since it uses less digits than its factorization.

11221010012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196244 (or 196240 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11221010012120 its reverse (2121001012211), we get a palindrome (13342011024331).

The spelling of 11221010012120 in words is "eleven trillion, two hundred twenty-one billion, ten million, twelve thousand, one hundred twenty".