121121020096 has 28 divisors (see below), whose sum is σ = 254487733848. Its totient is φ = 56998126592.

The previous prime is 121121020091. The next prime is 121121020169. The reversal of 121121020096 is 690020121121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121121020096.

It is not an unprimeable number, because it can be changed into a prime (121121020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55661146 + ... + 55663321.

Almost surely, 2^121121020096 is an apocalyptic number.

121121020096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121121020096 is an abundant number, since it is smaller than the sum of its proper divisors (133366713752).

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

121121020096 is a wasteful number, since it uses less digits than its factorization.

121121020096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111324496 (or 111324486 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 121121020096 in words is "one hundred twenty-one billion, one hundred twenty-one million, twenty thousand, ninety-six".