121222210010110 has 32 divisors (see below), whose sum is σ = 238042168876512. Its totient is φ = 44079724154880.

The previous prime is 121222210010101. The next prime is 121222210010117. The reversal of 121222210010110 is 11010012222121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222210010117) 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, 8974447 + ... + 17971786.

It is an arithmetic number, because the mean of its divisors is an integer number (7438817777391).

Almost surely, 2^{121222210010110} is an apocalyptic number.

121222210010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222210010110 is a deficient number, since it is larger than the sum of its proper divisors (116819958866402).

121222210010110 is a wasteful number, since it uses less digits than its factorization.

121222210010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26987148.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121222210010110 its reverse (11010012222121), we get a palindrome (132232222232231).

The spelling of 121222210010110 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, ten thousand, one hundred ten".