1120221000100 has 36 divisors (see below), whose sum is σ = 2430928199700. Its totient is φ = 448079436160.

The previous prime is 1120221000091. The next prime is 1120221000113. The reversal of 1120221000100 is 10001220211.

It can be written as a sum of positive squares in 6 ways, for example, as 228964164004 + 891256836096 = 478502^2 + 944064^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7452486 + ... + 7601314.

It is an arithmetic number, because the mean of its divisors is an integer number (67525783325).

Almost surely, 2^{1120221000100} is an apocalyptic number.

1120221000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120221000100 is an abundant number, since it is smaller than the sum of its proper divisors (1310707199600).

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

1120221000100 is a wasteful number, since it uses less digits than its factorization.

1120221000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224112 (or 224105 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1120221000100 its reverse (10001220211), we get a palindrome (1130222220311).

The spelling of 1120221000100 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred", and thus it is an aban number.