120001110001211 has 4 divisors (see below), whose sum is σ = 120425142192312. Its totient is φ = 119577077810112.

The previous prime is 120001110001177. The next prime is 120001110001231. The reversal of 120001110001211 is 112100011100021.

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-120001110001211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001110001192 and 120001110001201.

It is not an unprimeable number, because it can be changed into a prime (120001110001231) 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, 212016095126 + ... + 212016095691.

It is an arithmetic number, because the mean of its divisors is an integer number (30106285548078).

Almost surely, 2^{120001110001211} is an apocalyptic number.

120001110001211 is a deficient number, since it is larger than the sum of its proper divisors (424032191101).

120001110001211 is an equidigital number, since it uses as much as digits as its factorization.

120001110001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424032191100.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120001110001211 its reverse (112100011100021), we get a palindrome (232101121101232).

The spelling of 120001110001211 in words is "one hundred twenty trillion, one billion, one hundred ten million, one thousand, two hundred eleven".