221640242100710 has 64 divisors (see below), whose sum is σ = 422463898080000. Its totient is φ = 83584250652672.

The previous prime is 221640242100707. The next prime is 221640242100713. The reversal of 221640242100710 is 17001242046122.

It is an interprime number because it is at equal distance from previous prime (221640242100707) and next prime (221640242100713).

It is a super-2 number, since 2×221640242100710² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221640242100713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12875585 + ... + 24679164.

It is an arithmetic number, because the mean of its divisors is an integer number (6600998407500).

Almost surely, 2^{221640242100710} is an apocalyptic number.

221640242100710 is a deficient number, since it is larger than the sum of its proper divisors (200823655979290).

221640242100710 is a wasteful number, since it uses less digits than its factorization.

221640242100710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37555265.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 221640242100710 its reverse (17001242046122), we get a palindrome (238641484146832).

The spelling of 221640242100710 in words is "two hundred twenty-one trillion, six hundred forty billion, two hundred forty-two million, one hundred thousand, seven hundred ten".