221300311344140 has 48 divisors (see below), whose sum is σ = 531123173425152. Its totient is φ = 75874045861056.

The previous prime is 221300311344097. The next prime is 221300311344199. The reversal of 221300311344140 is 41443113003122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28140197 + ... + 35135043.

It is an arithmetic number, because the mean of its divisors is an integer number (11065066113024).

Almost surely, 2^{221300311344140} is an apocalyptic number.

221300311344140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221300311344140 is an abundant number, since it is smaller than the sum of its proper divisors (309822862081012).

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

221300311344140 is a wasteful number, since it uses less digits than its factorization.

221300311344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220846 (or 7220844 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 221300311344140 its reverse (41443113003122), we get a palindrome (262743424347262).

The spelling of 221300311344140 in words is "two hundred twenty-one trillion, three hundred billion, three hundred eleven million, three hundred forty-four thousand, one hundred forty".