120101211202111 has 4 divisors (see below), whose sum is σ = 120102018119512. Its totient is φ = 120100404284712.

The previous prime is 120101211202103. The next prime is 120101211202279. The reversal of 120101211202111 is 111202112101021.

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

It is a cyclic number.

It is not a de Polignac number, because 120101211202111 - 2³ = 120101211202103 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 (120101211202711) 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, 403235400 + ... + 403533133.

It is an arithmetic number, because the mean of its divisors is an integer number (30025504529878).

Almost surely, 2^{120101211202111} is an apocalyptic number.

120101211202111 is a deficient number, since it is larger than the sum of its proper divisors (806917401).

120101211202111 is an equidigital number, since it uses as much as digits as its factorization.

120101211202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806917400.

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

Adding to 120101211202111 its reverse (111202112101021), we get a palindrome (231303323303132).

The spelling of 120101211202111 in words is "one hundred twenty trillion, one hundred one billion, two hundred eleven million, two hundred two thousand, one hundred eleven".