1121200122220 has 24 divisors (see below), whose sum is σ = 2435710611600. Its totient is φ = 433015219392.

The previous prime is 1121200122199. The next prime is 1121200122227. The reversal of 1121200122220 is 222210021211.

It is a happy number.

It is a super-2 number, since 2×1121200122220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121200122194 and 1121200122203.

It is not an unprimeable number, because it can be changed into a prime (1121200122227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 966551250 + ... + 966552409.

It is an arithmetic number, because the mean of its divisors is an integer number (101487942150).

Almost surely, 2^{1121200122220} is an apocalyptic number.

1121200122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121200122220 is an abundant number, since it is smaller than the sum of its proper divisors (1314510489380).

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

1121200122220 is a wasteful number, since it uses less digits than its factorization.

1121200122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933103697 (or 1933103695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121200122220 its reverse (222210021211), we get a palindrome (1343410143431).

The spelling of 1121200122220 in words is "one trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty".