221142403144140 has 48 divisors (see below), whose sum is σ = 622997494038528. Its totient is φ = 58609520339904.

The previous prime is 221142403144133. The next prime is 221142403144147. The reversal of 221142403144140 is 41441304241122.

It is an interprime number because it is at equal distance from previous prime (221142403144133) and next prime (221142403144147).

It is not an unprimeable number, because it can be changed into a prime (221142403144147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11305839052 + ... + 11305858611.

It is an arithmetic number, because the mean of its divisors is an integer number (12979114459136).

Almost surely, 2^{221142403144140} is an apocalyptic number.

221142403144140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221142403144140 is an abundant number, since it is smaller than the sum of its proper divisors (401855090894388).

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

221142403144140 is a wasteful number, since it uses less digits than its factorization.

221142403144140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611697838 (or 22611697836 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 221142403144140 its reverse (41441304241122), we get a palindrome (262583707385262).

The spelling of 221142403144140 in words is "two hundred twenty-one trillion, one hundred forty-two billion, four hundred three million, one hundred forty-four thousand, one hundred forty".