1220119068100 has 27 divisors (see below), whose sum is σ = 2647682347597. Its totient is φ = 488043208880.

The previous prime is 1220119068089. The next prime is 1220119068109. The reversal of 1220119068100 is 18609110221.

It is a happy number.

The square root of 1220119068100 is 1104590.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 439242864516 + 780876203584 = 662754^2 + 883672^2 .

It is a super-2 number, since 2×1220119068100² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220119068109) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 10990671 + ... + 11101129.

Almost surely, 2^{1220119068100} is an apocalyptic number.

1220119068100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220119068100 is the 1104590-th square number.

It is an amenable number.

1220119068100 is an abundant number, since it is smaller than the sum of its proper divisors (1427563279497).

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

1220119068100 is an frugal number, since it uses more digits than its factorization.

1220119068100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220932 (or 110466 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 1220119068100 in words is "one trillion, two hundred twenty billion, one hundred nineteen million, sixty-eight thousand, one hundred".