121221030300102 has 24 divisors (see below), whose sum is σ = 262850277754584. Its totient is φ = 40375515930144.

The previous prime is 121221030300037. The next prime is 121221030300127. The reversal of 121221030300102 is 201003030122121.

121221030300102 is a `hidden beast` number, since 1 + 21 + 2 + 210 + 30 + 300 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624490423 + ... + 2624536610.

It is an arithmetic number, because the mean of its divisors is an integer number (10952094906441).

Almost surely, 2^{121221030300102} is an apocalyptic number.

121221030300102 is an abundant number, since it is smaller than the sum of its proper divisors (141629247454482).

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

121221030300102 is a wasteful number, since it uses less digits than its factorization.

121221030300102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249028324 (or 5249028321 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121221030300102 its reverse (201003030122121), we get a palindrome (322224060422223).

The spelling of 121221030300102 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, thirty million, three hundred thousand, one hundred two".