120300211111221 has 48 divisors (see below), whose sum is σ = 175618987315200. Its totient is φ = 79346578953600.

The previous prime is 120300211111219. The next prime is 120300211111271. The reversal of 120300211111221 is 122111112003021.

It is a happy number.

120300211111221 is a `hidden beast` number, since 1 + 20 + 300 + 2 + 11 + 111 + 221 = 666.

It is not a de Polignac number, because 120300211111221 - 2¹ = 120300211111219 is a prime.

It is a super-2 number, since 2×120300211111221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120300211111194 and 120300211111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120300211111271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8867112780 + ... + 8867126346.

It is an arithmetic number, because the mean of its divisors is an integer number (3658728902400).

Almost surely, 2^{120300211111221} is an apocalyptic number.

It is an amenable number.

120300211111221 is a deficient number, since it is larger than the sum of its proper divisors (55318776203979).

120300211111221 is a wasteful number, since it uses less digits than its factorization.

120300211111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20266 (or 20263 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 120300211111221 its reverse (122111112003021), we get a palindrome (242411323114242).

The spelling of 120300211111221 in words is "one hundred twenty trillion, three hundred billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty-one".