120021120102111 has 32 divisors (see below), whose sum is σ = 168088429020672. Its totient is φ = 76030320453120.

The previous prime is 120021120102077. The next prime is 120021120102113. The reversal of 120021120102111 is 111201021120021.

It is a happy number.

It is not a de Polignac number, because 120021120102111 - 2⁶ = 120021120102047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021120102113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21736531 + ... + 26693051.

It is an arithmetic number, because the mean of its divisors is an integer number (5252763406896).

Almost surely, 2^{120021120102111} is an apocalyptic number.

120021120102111 is a deficient number, since it is larger than the sum of its proper divisors (48067308918561).

120021120102111 is a wasteful number, since it uses less digits than its factorization.

120021120102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958863.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120021120102111 its reverse (111201021120021), we get a palindrome (231222141222132).

The spelling of 120021120102111 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty million, one hundred two thousand, one hundred eleven".