121200101120 has 72 divisors (see below), whose sum is σ = 331785301344. Its totient is φ = 41554317312.

The previous prime is 121200101117. The next prime is 121200101137. The reversal of 121200101120 is 21101002121.

121200101120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121200101120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 6754439 + ... + 6772358.

Almost surely, 2^121200101120 is an apocalyptic number.

121200101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121200101120 is an abundant number, since it is smaller than the sum of its proper divisors (210585200224).

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

121200101120 is an equidigital number, since it uses as much as digits as its factorization.

121200101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13526825 (or 13526811 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121200101120 its reverse (21101002121), we get a palindrome (142301103241).

The spelling of 121200101120 in words is "one hundred twenty-one billion, two hundred million, one hundred one thousand, one hundred twenty".