221031114 has 8 divisors (see below), whose sum is σ = 442062240. Its totient is φ = 73677036.

The previous prime is 221031101. The next prime is 221031119. The reversal of 221031114 is 411130122.

221031114 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

221031114 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 221031093 and 221031102.

It is not an unprimeable number, because it can be changed into a prime (221031119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18419254 + ... + 18419265.

It is an arithmetic number, because the mean of its divisors is an integer number (55257780).

Almost surely, 2^221031114 is an apocalyptic number.

221031114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221031114 is a wasteful number, since it uses less digits than its factorization.

221031114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36838524.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 221031114 is about 14867.1151875540. The cubic root of 221031114 is about 604.6227313451.

Adding to 221031114 its reverse (411130122), we get a palindrome (632161236).

The spelling of 221031114 in words is "two hundred twenty-one million, thirty-one thousand, one hundred fourteen".