1210112201111 has 8 divisors (see below), whose sum is σ = 1320316875648. Its totient is φ = 1099939939000.

The previous prime is 1210112201107. The next prime is 1210112201143. The reversal of 1210112201111 is 1111022110121.

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 1210112201111 - 2² = 1210112201107 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 (1210112206111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8025005 + ... + 8174406.

It is an arithmetic number, because the mean of its divisors is an integer number (165039609456).

Almost surely, 2^{1210112201111} is an apocalyptic number.

1210112201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210112201111 is a deficient number, since it is larger than the sum of its proper divisors (110204674537).

1210112201111 is a wasteful number, since it uses less digits than its factorization.

1210112201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206213.

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

Adding to 1210112201111 its reverse (1111022110121), we get a palindrome (2321134311232).

The spelling of 1210112201111 in words is "one trillion, two hundred ten billion, one hundred twelve million, two hundred one thousand, one hundred eleven".