105842221580 has 12 divisors (see below), whose sum is σ = 222268665360. Its totient is φ = 42336888624.

The previous prime is 105842221547. The next prime is 105842221609. The reversal of 105842221580 is 85122248501.

It is a happy number.

It is a super-2 number, since 2×105842221580² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646055520 + ... + 2646055559.

It is an arithmetic number, because the mean of its divisors is an integer number (18522388780).

Almost surely, 2^105842221580 is an apocalyptic number.

105842221580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105842221580 is an abundant number, since it is smaller than the sum of its proper divisors (116426443780).

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

105842221580 is a wasteful number, since it uses less digits than its factorization.

105842221580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292111088 (or 5292111086 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The spelling of 105842221580 in words is "one hundred five billion, eight hundred forty-two million, two hundred twenty-one thousand, five hundred eighty".