1120121220220 has 24 divisors (see below), whose sum is σ = 2354687131104. Its totient is φ = 447585141696.

The previous prime is 1120121220203. The next prime is 1120121220271. The reversal of 1120121220220 is 220221210211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1120121220194 and 1120121220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28939327 + ... + 28978006.

It is an arithmetic number, because the mean of its divisors is an integer number (98111963796).

Almost surely, 2^{1120121220220} is an apocalyptic number.

1120121220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120121220220 is an abundant number, since it is smaller than the sum of its proper divisors (1234565910884).

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

1120121220220 is a wasteful number, since it uses less digits than its factorization.

1120121220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57918309 (or 57918307 counting only the distinct ones).

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

Adding to 1120121220220 its reverse (220221210211), we get a palindrome (1340342430431).

The spelling of 1120121220220 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty".