100120200020982 has 96 divisors (see below), whose sum is σ = 235139444242560. Its totient is φ = 30665382209280.

The previous prime is 100120200020969. The next prime is 100120200020987. The reversal of 100120200020982 is 289020002021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120200020987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26254369 + ... + 29825027.

It is an arithmetic number, because the mean of its divisors is an integer number (2449369210860).

Almost surely, 2^{100120200020982} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100120200020982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117569722121280).

100120200020982 is an abundant number, since it is smaller than the sum of its proper divisors (135019244221578).

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

100120200020982 is a wasteful number, since it uses less digits than its factorization.

100120200020982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572858 (or 3572855 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 100120200020982 its reverse (289020002021001), we get a palindrome (389140202041983).

The spelling of 100120200020982 in words is "one hundred trillion, one hundred twenty billion, two hundred million, twenty thousand, nine hundred eighty-two".