120011210012221 has 8 divisors (see below), whose sum is σ = 131225081781888. Its totient is φ = 108847965204000.

The previous prime is 120011210012207. The next prime is 120011210012231. The reversal of 120011210012221 is 122210012110021.

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

It is not a de Polignac number, because 120011210012221 - 2¹⁷ = 120011209881149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011210012195 and 120011210012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011210012231) 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, 12656735400 + ... + 12656744881.

It is an arithmetic number, because the mean of its divisors is an integer number (16403135222736).

Almost surely, 2^{120011210012221} is an apocalyptic number.

120011210012221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120011210012221 is a deficient number, since it is larger than the sum of its proper divisors (11213871769667).

120011210012221 is a wasteful number, since it uses less digits than its factorization.

120011210012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25313480723.

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

Adding to 120011210012221 its reverse (122210012110021), we get a palindrome (242221222122242).

The spelling of 120011210012221 in words is "one hundred twenty trillion, eleven billion, two hundred ten million, twelve thousand, two hundred twenty-one".