2220421111350 has 192 divisors, whose sum is σ = 6397547655744. Its totient is φ = 504707973120.

The previous prime is 2220421111331. The next prime is 2220421111397. The reversal of 2220421111350 is 531111240222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220421111350.

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, 1125054 + ... + 2388846.

It is an arithmetic number, because the mean of its divisors is an integer number (33320560707).

Almost surely, 2^{2220421111350} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220421111350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198773827872).

2220421111350 is an abundant number, since it is smaller than the sum of its proper divisors (4177126544394).

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

2220421111350 is a wasteful number, since it uses less digits than its factorization.

2220421111350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263891 (or 1263886 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2220421111350 its reverse (531111240222), we get a palindrome (2751532351572).

The spelling of 2220421111350 in words is "two trillion, two hundred twenty billion, four hundred twenty-one million, one hundred eleven thousand, three hundred fifty".