221223342131140 has 48 divisors (see below), whose sum is σ = 507764240331264. Its totient is φ = 80597498457600.

The previous prime is 221223342131083. The next prime is 221223342131149. The reversal of 221223342131140 is 41131243322122.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (221223342131149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10494455406 + ... + 10494476485.

It is an arithmetic number, because the mean of its divisors is an integer number (10578421673568).

Almost surely, 2^{221223342131140} is an apocalyptic number.

221223342131140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221223342131140 is an abundant number, since it is smaller than the sum of its proper divisors (286540898200124).

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

221223342131140 is a wasteful number, since it uses less digits than its factorization.

221223342131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20988931948 (or 20988931946 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 221223342131140 its reverse (41131243322122), we get a palindrome (262354585453262).

The spelling of 221223342131140 in words is "two hundred twenty-one trillion, two hundred twenty-three billion, three hundred forty-two million, one hundred thirty-one thousand, one hundred forty".