1201111210211 has 8 divisors (see below), whose sum is σ = 1342261752048. Its totient is φ = 1065287104000.

The previous prime is 1201111210171. The next prime is 1201111210223. The reversal of 1201111210211 is 1120121111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201111210211 - 2¹⁸ = 1201110948067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201111210511) 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 7 ways as a sum of consecutive naturals, for example, 1331608430 + ... + 1331609331.

It is an arithmetic number, because the mean of its divisors is an integer number (167782719006).

Almost surely, 2^{1201111210211} is an apocalyptic number.

1201111210211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201111210211 is a deficient number, since it is larger than the sum of its proper divisors (141150541837).

1201111210211 is a wasteful number, since it uses less digits than its factorization.

1201111210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663217813.

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

Adding to 1201111210211 its reverse (1120121111021), we get a palindrome (2321232321232).

The spelling of 1201111210211 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred eleven".