1212110022110 has 32 divisors (see below), whose sum is σ = 2354534058240. Its totient is φ = 446613954048.

The previous prime is 1212110022049. The next prime is 1212110022119. The reversal of 1212110022110 is 112200112121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212110022119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9670427 + ... + 9794966.

It is an arithmetic number, because the mean of its divisors is an integer number (73579189320).

Almost surely, 2^{1212110022110} is an apocalyptic number.

1212110022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212110022110 is a deficient number, since it is larger than the sum of its proper divisors (1142424036130).

1212110022110 is a wasteful number, since it uses less digits than its factorization.

1212110022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19465892.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212110022110 its reverse (112200112121), we get a palindrome (1324310134231).

The spelling of 1212110022110 in words is "one trillion, two hundred twelve billion, one hundred ten million, twenty-two thousand, one hundred ten".