121017890130 has 32 divisors (see below), whose sum is σ = 291491486784. Its totient is φ = 32154931776.

The previous prime is 121017890107. The next prime is 121017890153. The reversal of 121017890130 is 31098710121.

121017890130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121017890107) and next prime (121017890153).

It is a junction number, because it is equal to n+sod(n) for n = 121017890091 and 121017890100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7273152 + ... + 7289771.

It is an arithmetic number, because the mean of its divisors is an integer number (9109108962).

Almost surely, 2^121017890130 is an apocalyptic number.

121017890130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121017890130 is an abundant number, since it is smaller than the sum of its proper divisors (170473596654).

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

121017890130 is a wasteful number, since it uses less digits than its factorization.

121017890130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14563210.

The product of its (nonzero) digits is 3024, while the sum is 33.

The spelling of 121017890130 in words is "one hundred twenty-one billion, seventeen million, eight hundred ninety thousand, one hundred thirty".