121001112102 has 16 divisors (see below), whose sum is σ = 260617780080. Its totient is φ = 37231111392.

The previous prime is 121001112101. The next prime is 121001112139. The reversal of 121001112102 is 201211100121.

121001112102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001112101) 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 7 ways as a sum of consecutive naturals, for example, 775648077 + ... + 775648232.

It is an arithmetic number, because the mean of its divisors is an integer number (16288611255).

Almost surely, 2^121001112102 is an apocalyptic number.

121001112102 is an abundant number, since it is smaller than the sum of its proper divisors (139616667978).

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

121001112102 is a wasteful number, since it uses less digits than its factorization.

121001112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551296327.

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

Adding to 121001112102 its reverse (201211100121), we get a palindrome (322212212223).

The spelling of 121001112102 in words is "one hundred twenty-one billion, one million, one hundred twelve thousand, one hundred two".