1211112102110 has 16 divisors (see below), whose sum is σ = 2182866451632. Its totient is φ = 483808248000.

The previous prime is 1211112102049. The next prime is 1211112102113. The reversal of 1211112102110 is 112012111121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211112102113) 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, 79566116 + ... + 79581335.

It is an arithmetic number, because the mean of its divisors is an integer number (136429153227).

Almost surely, 2^{1211112102110} is an apocalyptic number.

1211112102110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211112102110 is a deficient number, since it is larger than the sum of its proper divisors (971754349522).

1211112102110 is a wasteful number, since it uses less digits than its factorization.

1211112102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159148219.

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

Adding to 1211112102110 its reverse (112012111121), we get a palindrome (1323124213231).

The spelling of 1211112102110 in words is "one trillion, two hundred eleven billion, one hundred twelve million, one hundred two thousand, one hundred ten".