4891022100 has 216 divisors, whose sum is σ = 16026890880. Its totient is φ = 1246371840.

The previous prime is 4891022069. The next prime is 4891022113. The reversal of 4891022100 is 12201984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1817556 + ... + 1820244.

Almost surely, 2^4891022100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4891022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8013445440).

4891022100 is an abundant number, since it is smaller than the sum of its proper divisors (11135868780).

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

4891022100 is a wasteful number, since it uses less digits than its factorization.

4891022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2789 counting only the distinct ones).

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

The square root of 4891022100 is about 69935.8427417587. The cubic root of 4891022100 is about 1697.4612740718.

The spelling of 4891022100 in words is "four billion, eight hundred ninety-one million, twenty-two thousand, one hundred".