121112120202110 has 32 divisors (see below), whose sum is σ = 230827462718112. Its totient is φ = 45594754078720.

The previous prime is 121112120202109. The next prime is 121112120202113. The reversal of 121112120202110 is 11202021211121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112120202113) 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, 16853489 + ... + 22940451.

It is an arithmetic number, because the mean of its divisors is an integer number (7213358209941).

Almost surely, 2^{121112120202110} is an apocalyptic number.

121112120202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112120202110 is a deficient number, since it is larger than the sum of its proper divisors (109715342516002).

121112120202110 is a wasteful number, since it uses less digits than its factorization.

121112120202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204028.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121112120202110 its reverse (11202021211121), we get a palindrome (132314141413231).

The spelling of 121112120202110 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty million, two hundred two thousand, one hundred ten".