121051102507664 has 20 divisors (see below), whose sum is σ = 268041726981504. Its totient is φ = 51879043931808.

The previous prime is 121051102507639. The next prime is 121051102507789. The reversal of 121051102507664 is 466705201150121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540406707512 + ... + 540406707735.

Almost surely, 2^{121051102507664} is an apocalyptic number.

121051102507664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121051102507664 is an abundant number, since it is smaller than the sum of its proper divisors (146990624473840).

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

121051102507664 is a wasteful number, since it uses less digits than its factorization.

121051102507664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080813415262 (or 1080813415256 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

Adding to 121051102507664 its reverse (466705201150121), we get a palindrome (587756303657785).

The spelling of 121051102507664 in words is "one hundred twenty-one trillion, fifty-one billion, one hundred two million, five hundred seven thousand, six hundred sixty-four".