120001002012111 has 16 divisors (see below), whose sum is σ = 174547597104000. Its totient is φ = 72727594554720.

The previous prime is 120001002012109. The next prime is 120001002012137. The reversal of 120001002012111 is 111210200100021.

It is not a de Polignac number, because 120001002012111 - 2¹ = 120001002012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001002012191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556901 + ... + 15570033.

It is an arithmetic number, because the mean of its divisors is an integer number (10909224819000).

Almost surely, 2^{120001002012111} is an apocalyptic number.

120001002012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120001002012111 is a deficient number, since it is larger than the sum of its proper divisors (54546595091889).

120001002012111 is a wasteful number, since it uses less digits than its factorization.

120001002012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14272646.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120001002012111 its reverse (111210200100021), we get a palindrome (231211202112132).

The spelling of 120001002012111 in words is "one hundred twenty trillion, one billion, two million, twelve thousand, one hundred eleven".