121112101010120 has 32 divisors (see below), whose sum is σ = 297275157025920. Its totient is φ = 44040764003520.

The previous prime is 121112101010111. The next prime is 121112101010207. The reversal of 121112101010120 is 21010101211121.

It is a super-2 number, since 2×121112101010120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112101010095 and 121112101010104.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137627387072 + ... + 137627387951.

It is an arithmetic number, because the mean of its divisors is an integer number (9289848657060).

Almost surely, 2^{121112101010120} is an apocalyptic number.

121112101010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121112101010120 is an abundant number, since it is smaller than the sum of its proper divisors (176163056015800).

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

121112101010120 is a wasteful number, since it uses less digits than its factorization.

121112101010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275254775045 (or 275254775041 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121112101010120 its reverse (21010101211121), we get a palindrome (142122202221241).

The spelling of 121112101010120 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred one million, ten thousand, one hundred twenty".