221012119290424 has 256 divisors, whose sum is σ = 520948454400000. Its totient is φ = 85395846412800.

The previous prime is 221012119290407. The next prime is 221012119290511. The reversal of 221012119290424 is 424092911210122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53397465747 + ... + 53397469885.

It is an arithmetic number, because the mean of its divisors is an integer number (2034954900000).

Almost surely, 2^{221012119290424} 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 221012119290424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260474227200000).

221012119290424 is an abundant number, since it is smaller than the sum of its proper divisors (299936335109576).

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

221012119290424 is a wasteful number, since it uses less digits than its factorization.

221012119290424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 221012119290424 in words is "two hundred twenty-one trillion, twelve billion, one hundred nineteen million, two hundred ninety thousand, four hundred twenty-four".