121202020302102 has 48 divisors (see below), whose sum is σ = 281860620996240. Its totient is φ = 37503284276736.

The previous prime is 121202020302073. The next prime is 121202020302107. The reversal of 121202020302102 is 201203020202121.

It is a super-3 number, since 3×121202020302102³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (121202020302107) 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, 2712888852 + ... + 2712933527.

It is an arithmetic number, because the mean of its divisors is an integer number (5872096270755).

Almost surely, 2^{121202020302102} is an apocalyptic number.

121202020302102 is an abundant number, since it is smaller than the sum of its proper divisors (160658600694138).

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

121202020302102 is a wasteful number, since it uses less digits than its factorization.

121202020302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425822477 (or 5425822474 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121202020302102 its reverse (201203020202121), we get a palindrome (322405040504223).

The spelling of 121202020302102 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, three hundred two thousand, one hundred two".