1212211100110 has 8 divisors (see below), whose sum is σ = 2181979980216. Its totient is φ = 484884440040.

The previous prime is 1212211100081. The next prime is 1212211100197. The reversal of 1212211100110 is 110011122121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60610554996 + ... + 60610555015.

It is an arithmetic number, because the mean of its divisors is an integer number (272747497527).

Almost surely, 2^{1212211100110} is an apocalyptic number.

1212211100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212211100110 is a deficient number, since it is larger than the sum of its proper divisors (969768880106).

1212211100110 is a wasteful number, since it uses less digits than its factorization.

1212211100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121221110018.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1212211100110 its reverse (110011122121), we get a palindrome (1322222222231).

The spelling of 1212211100110 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one hundred thousand, one hundred ten".