121101110202 has 64 divisors (see below), whose sum is σ = 250001915904. Its totient is φ = 39086236800.

The previous prime is 121101110201. The next prime is 121101110279. The reversal of 121101110202 is 202011101121.

It is not an unprimeable number, because it can be changed into a prime (121101110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56667678 + ... + 56669814.

It is an arithmetic number, because the mean of its divisors is an integer number (3906279936).

Almost surely, 2^121101110202 is an apocalyptic number.

121101110202 is an abundant number, since it is smaller than the sum of its proper divisors (128900805702).

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

121101110202 is a wasteful number, since it uses less digits than its factorization.

121101110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243.

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

Adding to 121101110202 its reverse (202011101121), we get a palindrome (323112211323).

The spelling of 121101110202 in words is "one hundred twenty-one billion, one hundred one million, one hundred ten thousand, two hundred two".