121301113310220 has 24 divisors (see below), whose sum is σ = 339643117268784. Its totient is φ = 32346963549376.

The previous prime is 121301113310197. The next prime is 121301113310243. The reversal of 121301113310220 is 22013311103121.

It is an interprime number because it is at equal distance from previous prime (121301113310197) and next prime (121301113310243).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010842610859 + ... + 1010842610978.

It is an arithmetic number, because the mean of its divisors is an integer number (14151796552866).

Almost surely, 2^{121301113310220} is an apocalyptic number.

121301113310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121301113310220 is an abundant number, since it is smaller than the sum of its proper divisors (218342003958564).

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

121301113310220 is a wasteful number, since it uses less digits than its factorization.

121301113310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021685221849 (or 2021685221847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121301113310220 its reverse (22013311103121), we get a palindrome (143314424413341).

The spelling of 121301113310220 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred thirteen million, three hundred ten thousand, two hundred twenty".