120001221102111 has 32 divisors (see below), whose sum is σ = 168403608854208. Its totient is φ = 75908700610560.

The previous prime is 120001221102109. The next prime is 120001221102121. The reversal of 120001221102111 is 111201122100021.

It is a happy number.

It is not a de Polignac number, because 120001221102111 - 2¹ = 120001221102109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001221102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5545051 + ... + 16454483.

It is an arithmetic number, because the mean of its divisors is an integer number (5262612776694).

Almost surely, 2^{120001221102111} is an apocalyptic number.

120001221102111 is a deficient number, since it is larger than the sum of its proper divisors (48402387752097).

120001221102111 is a wasteful number, since it uses less digits than its factorization.

120001221102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911931.

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

Adding to 120001221102111 its reverse (111201122100021), we get a palindrome (231202343202132).

The spelling of 120001221102111 in words is "one hundred twenty trillion, one billion, two hundred twenty-one million, one hundred two thousand, one hundred eleven".