121341012102 has 48 divisors (see below), whose sum is σ = 276916124160. Its totient is φ = 38294196336.

The previous prime is 121341012097. The next prime is 121341012103. The reversal of 121341012102 is 201210143121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341012103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439203 + ... + 659985.

It is an arithmetic number, because the mean of its divisors is an integer number (5769085920).

Almost surely, 2^121341012102 is an apocalyptic number.

121341012102 is an abundant number, since it is smaller than the sum of its proper divisors (155575112058).

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

121341012102 is a wasteful number, since it uses less digits than its factorization.

121341012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222417 (or 222414 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121341012102 its reverse (201210143121), we get a palindrome (322551155223).

The spelling of 121341012102 in words is "one hundred twenty-one billion, three hundred forty-one million, twelve thousand, one hundred two".