1011220001120 has 144 divisors (see below), whose sum is σ = 2781032885568. Its totient is φ = 346456535040.

The previous prime is 1011220001083. The next prime is 1011220001149. The reversal of 1011220001120 is 211000221101.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11111000 + ... + 11201640.

It is an arithmetic number, because the mean of its divisors is an integer number (19312728372).

Almost surely, 2^{1011220001120} is an apocalyptic number.

1011220001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011220001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390516442784).

1011220001120 is an abundant number, since it is smaller than the sum of its proper divisors (1769812884448).

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

1011220001120 is a wasteful number, since it uses less digits than its factorization.

1011220001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92093 (or 92078 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011220001120 its reverse (211000221101), we get a palindrome (1222220222221).

The spelling of 1011220001120 in words is "one trillion, eleven billion, two hundred twenty million, one thousand, one hundred twenty".