121120221100120 has 64 divisors (see below), whose sum is σ = 307546642951200. Its totient is φ = 42524967905280.

The previous prime is 121120221100111. The next prime is 121120221100159. The reversal of 121120221100120 is 21001122021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120221100094 and 121120221100103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4746077409 + ... + 4746102928.

Almost surely, 2^{121120221100120} is an apocalyptic number.

121120221100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120221100120 is an abundant number, since it is smaller than the sum of its proper divisors (186426421851080).

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

121120221100120 is a wasteful number, since it uses less digits than its factorization.

121120221100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492180388 (or 9492180384 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121120221100120 its reverse (21001122021121), we get a palindrome (142121343121241).

It can be divided in two parts, 1211202 and 21100120, that added together give a palindrome (22311322).

The spelling of 121120221100120 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred thousand, one hundred twenty".