121102012110 has 32 divisors (see below), whose sum is σ = 290674593792. Its totient is φ = 32290562720.

The previous prime is 121102012081. The next prime is 121102012111. The reversal of 121102012110 is 11210201121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102012111) 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 15 ways as a sum of consecutive naturals, for example, 98515 + ... + 501905.

It is an arithmetic number, because the mean of its divisors is an integer number (9083581056).

Almost surely, 2^121102012110 is an apocalyptic number.

121102012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102012110 is an abundant number, since it is smaller than the sum of its proper divisors (169572581682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102012110 is a wasteful number, since it uses less digits than its factorization.

121102012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413408.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121102012110 its reverse (11210201121), we get a palindrome (132312213231).

The spelling of 121102012110 in words is "one hundred twenty-one billion, one hundred two million, twelve thousand, one hundred ten".