221301110140 has 24 divisors (see below), whose sum is σ = 506980725552. Its totient is φ = 80473130880.

The previous prime is 221301110117. The next prime is 221301110143. The reversal of 221301110140 is 41011103122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221301110143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502956849 + ... + 502957288.

It is an arithmetic number, because the mean of its divisors is an integer number (21124196898).

Almost surely, 2^221301110140 is an apocalyptic number.

221301110140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221301110140 is an abundant number, since it is smaller than the sum of its proper divisors (285679615412).

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

221301110140 is a wasteful number, since it uses less digits than its factorization.

221301110140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005914157 (or 1005914155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221301110140 its reverse (41011103122), we get a palindrome (262312213262).

The spelling of 221301110140 in words is "two hundred twenty-one billion, three hundred one million, one hundred ten thousand, one hundred forty".