221687114110 has 64 divisors (see below), whose sum is σ = 501612217344. Its totient is φ = 69097253280.

The previous prime is 221687114107. The next prime is 221687114111. The reversal of 221687114110 is 11411786122.

It is a super-2 number, since 2×221687114110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221687114111) 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 31 ways as a sum of consecutive naturals, for example, 1096522 + ... + 1282861.

It is an arithmetic number, because the mean of its divisors is an integer number (7837690896).

Almost surely, 2^221687114110 is an apocalyptic number.

221687114110 is an abundant number, since it is smaller than the sum of its proper divisors (279925103234).

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

221687114110 is a wasteful number, since it uses less digits than its factorization.

221687114110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379430 (or 2379408 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The spelling of 221687114110 in words is "two hundred twenty-one billion, six hundred eighty-seven million, one hundred fourteen thousand, one hundred ten".