11121202222120 has 64 divisors (see below), whose sum is σ = 25310893608000. Its totient is φ = 4397522078208.

The previous prime is 11121202222111. The next prime is 11121202222121. The reversal of 11121202222120 is 2122220212111.

It is a super-2 number, since 2×11121202222120² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121202222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996830 + ... + 5587789.

It is an arithmetic number, because the mean of its divisors is an integer number (395482712625).

Almost surely, 2^{11121202222120} is an apocalyptic number.

11121202222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121202222120 is an abundant number, since it is smaller than the sum of its proper divisors (14189691385880).

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

11121202222120 is a wasteful number, since it uses less digits than its factorization.

11121202222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585002 (or 8584998 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11121202222120 its reverse (2122220212111), we get a palindrome (13243422434231).

The spelling of 11121202222120 in words is "eleven trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty".