102220667457 has 8 divisors (see below), whose sum is σ = 136308926784. Its totient is φ = 68139759888.

The previous prime is 102220667449. The next prime is 102220667473. The reversal of 102220667457 is 754766022201.

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

It is not a de Polignac number, because 102220667457 - 2³ = 102220667449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102220667447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805413 + ... + 1861170.

It is an arithmetic number, because the mean of its divisors is an integer number (17038615848).

Almost surely, 2^102220667457 is an apocalyptic number.

It is an amenable number.

102220667457 is a deficient number, since it is larger than the sum of its proper divisors (34088259327).

102220667457 is an equidigital number, since it uses as much as digits as its factorization.

102220667457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675879.

The product of its (nonzero) digits is 282240, while the sum is 42.

Adding to 102220667457 its reverse (754766022201), we get a palindrome (856986689658).

The spelling of 102220667457 in words is "one hundred two billion, two hundred twenty million, six hundred sixty-seven thousand, four hundred fifty-seven".