221132111313020 has 24 divisors (see below), whose sum is σ = 464377903277568. Its totient is φ = 88452755092800.

The previous prime is 221132111313017. The next prime is 221132111313073. The reversal of 221132111313020 is 20313111231122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16891205 + ... + 26973635.

It is an arithmetic number, because the mean of its divisors is an integer number (19349079303232).

Almost surely, 2^{221132111313020} is an apocalyptic number.

221132111313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221132111313020 is an abundant number, since it is smaller than the sum of its proper divisors (243245791964548).

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

221132111313020 is a wasteful number, since it uses less digits than its factorization.

221132111313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179061 (or 11179059 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 221132111313020 its reverse (20313111231122), we get a palindrome (241445222544142).

The spelling of 221132111313020 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, one hundred eleven million, three hundred thirteen thousand, twenty".