122330215514666 has 4 divisors (see below), whose sum is σ = 183495323272002. Its totient is φ = 61165107757332.

The previous prime is 122330215514627. The next prime is 122330215514693. The reversal of 122330215514666 is 666415512033221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99763639830625 + 22566575684041 = 9988175^2 + 4750429^2 .

It is a super-2 number, since 2×122330215514666² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122330215514666.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30582553878665 + ... + 30582553878668.

Almost surely, 2^{122330215514666} is an apocalyptic number.

122330215514666 is a deficient number, since it is larger than the sum of its proper divisors (61165107757336).

122330215514666 is an equidigital number, since it uses as much as digits as its factorization.

122330215514666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61165107757335.

The product of its (nonzero) digits is 1555200, while the sum is 47.

Adding to 122330215514666 its reverse (666415512033221), we get a palindrome (788745727547887).

The spelling of 122330215514666 in words is "one hundred twenty-two trillion, three hundred thirty billion, two hundred fifteen million, five hundred fourteen thousand, six hundred sixty-six".