121000222101120 has 64 divisors (see below), whose sum is σ = 385688207953440. Its totient is φ = 32266725893120.

The previous prime is 121000222101113. The next prime is 121000222101137. The reversal of 121000222101120 is 21101222000121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121000222101120.

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 7 ways as a sum of consecutive naturals, for example, 31510472586 + ... + 31510476425.

Almost surely, 2^{121000222101120} is an apocalyptic number.

121000222101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000222101120 is an abundant number, since it is smaller than the sum of its proper divisors (264687985852320).

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

121000222101120 is an equidigital number, since it uses as much as digits as its factorization.

121000222101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63020949033 (or 63020949021 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121000222101120 its reverse (21101222000121), we get a palindrome (142101444101241).

The spelling of 121000222101120 in words is "one hundred twenty-one trillion, two hundred twenty-two million, one hundred one thousand, one hundred twenty".