121042241898 has 32 divisors (see below), whose sum is σ = 246272832000. Its totient is φ = 39649829616.

The previous prime is 121042241897. The next prime is 121042241917. The reversal of 121042241898 is 898142240121.

It is not an unprimeable number, because it can be changed into a prime (121042241897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991203 + ... + 1106601.

It is an arithmetic number, because the mean of its divisors is an integer number (7696026000).

Almost surely, 2^121042241898 is an apocalyptic number.

121042241898 is an abundant number, since it is smaller than the sum of its proper divisors (125230590102).

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

121042241898 is a wasteful number, since it uses less digits than its factorization.

121042241898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118426.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 121042241898 in words is "one hundred twenty-one billion, forty-two million, two hundred forty-one thousand, eight hundred ninety-eight".