120012221202111 has 48 divisors (see below), whose sum is σ = 205445319565824. Its totient is φ = 66077126419392.

The previous prime is 120012221202023. The next prime is 120012221202119. The reversal of 120012221202111 is 111202122210021.

120012221202111 is a `hidden beast` number, since 1 + 200 + 12 + 221 + 20 + 211 + 1 = 666.

It is not a de Polignac number, because 120012221202111 - 2²⁹ = 120011684331199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012221202119) 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, 249688521 + ... + 250168706.

It is an arithmetic number, because the mean of its divisors is an integer number (4280110824288).

Almost surely, 2^{120012221202111} is an apocalyptic number.

120012221202111 is a deficient number, since it is larger than the sum of its proper divisors (85433098363713).

120012221202111 is a wasteful number, since it uses less digits than its factorization.

120012221202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499857380 (or 499857377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120012221202111 its reverse (111202122210021), we get a palindrome (231214343412132).

The spelling of 120012221202111 in words is "one hundred twenty trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred eleven".