121121002000098 has 48 divisors (see below), whose sum is σ = 263557749120120. Its totient is φ = 40200232764672.

The previous prime is 121121002000067. The next prime is 121121002000099. The reversal of 121121002000098 is 890000200121121.

It can be written as a sum of positive squares in 4 ways, for example, as 94727064925089 + 26393937075009 = 9732783^2 + 5137503^2 .

It is not an unprimeable number, because it can be changed into a prime (121121002000099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4216461 + ... + 16125152.

Almost surely, 2^{121121002000098} is an apocalyptic number.

121121002000098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121121002000098 is an abundant number, since it is smaller than the sum of its proper divisors (142436747120022).

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

121121002000098 is a wasteful number, since it uses less digits than its factorization.

121121002000098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20343043 (or 20343040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 121121002000098 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two million, ninety-eight", and thus it is an aban number.