120111121001221 has 8 divisors (see below), whose sum is σ = 143238107032704. Its totient is φ = 98476198584720.

The previous prime is 120111121001219. The next prime is 120111121001269. The reversal of 120111121001221 is 122100121111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120111121001221 - 2¹ = 120111121001219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120111121001195 and 120111121001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111121001821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373015903570 + ... + 373015903891.

It is an arithmetic number, because the mean of its divisors is an integer number (17904763379088).

Almost surely, 2^{120111121001221} is an apocalyptic number.

It is an amenable number.

120111121001221 is a deficient number, since it is larger than the sum of its proper divisors (23126986031483).

120111121001221 is an equidigital number, since it uses as much as digits as its factorization.

120111121001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746031807491.

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

Adding to 120111121001221 its reverse (122100121111021), we get a palindrome (242211242112242).

The spelling of 120111121001221 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, one thousand, two hundred twenty-one".