1003120220100 has 72 divisors (see below), whose sum is σ = 2980803396928. Its totient is φ = 260269027200.

The previous prime is 1003120220077. The next prime is 1003120220119. The reversal of 1003120220100 is 10220213001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45174496 + ... + 45196695.

Almost surely, 2^{1003120220100} is an apocalyptic number.

1003120220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003120220100 is an abundant number, since it is smaller than the sum of its proper divisors (1977683176828).

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

1003120220100 is a wasteful number, since it uses less digits than its factorization.

1003120220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90371245 (or 90371238 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1003120220100 its reverse (10220213001), we get a palindrome (1013340433101).

The spelling of 1003120220100 in words is "one trillion, three billion, one hundred twenty million, two hundred twenty thousand, one hundred".