120101001212111 has 4 divisors (see below), whose sum is σ = 127165765989312. Its totient is φ = 113036236434912.

The previous prime is 120101001212029. The next prime is 120101001212113. The reversal of 120101001212111 is 111212100101021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101001212111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101001212113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532382388575 + ... + 3532382388608.

It is an arithmetic number, because the mean of its divisors is an integer number (31791441497328).

Almost surely, 2^{120101001212111} is an apocalyptic number.

120101001212111 is a deficient number, since it is larger than the sum of its proper divisors (7064764777201).

120101001212111 is an equidigital number, since it uses as much as digits as its factorization.

120101001212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064764777200.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120101001212111 its reverse (111212100101021), we get a palindrome (231313101313132).

The spelling of 120101001212111 in words is "one hundred twenty trillion, one hundred one billion, one million, two hundred twelve thousand, one hundred eleven".