121000020230016 has 48 divisors (see below), whose sum is σ = 348190162383960. Its totient is φ = 40333340076288.

The previous prime is 121000020229909. The next prime is 121000020230017. The reversal of 121000020230016 is 610032020000121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000020230017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52517368740 + ... + 52517371043.

Almost surely, 2^{121000020230016} is an apocalyptic number.

121000020230016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121000020230016 is an abundant number, since it is smaller than the sum of its proper divisors (227190142153944).

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

121000020230016 is a wasteful number, since it uses less digits than its factorization.

121000020230016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105034739803 (or 105034739788 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121000020230016 its reverse (610032020000121), we get a palindrome (731032040230137).

The spelling of 121000020230016 in words is "one hundred twenty-one trillion, twenty million, two hundred thirty thousand, sixteen".