989001221343102 has 192 divisors, whose sum is σ = 2480311600865280. Its totient is φ = 281880021772800.

The previous prime is 989001221343053. The next prime is 989001221343197. The reversal of 989001221343102 is 201343122100989.

989001221343102 is a `hidden beast` number, since 9 + 8 + 90 + 0 + 122 + 1 + 3 + 431 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66619683 + ... + 80101089.

It is an arithmetic number, because the mean of its divisors is an integer number (12918289587840).

Almost surely, 2^{989001221343102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989001221343102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240155800432640).

989001221343102 is an abundant number, since it is smaller than the sum of its proper divisors (1491310379522178).

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

989001221343102 is a wasteful number, since it uses less digits than its factorization.

989001221343102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481719 (or 13481716 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 989001221343102 in words is "nine hundred eighty-nine trillion, one billion, two hundred twenty-one million, three hundred forty-three thousand, one hundred two".