121211301102 has 32 divisors (see below), whose sum is σ = 250875619200. Its totient is φ = 38995971168.

The previous prime is 121211301067. The next prime is 121211301103. The reversal of 121211301102 is 201103112121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211301103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342349 + ... + 599687.

It is an arithmetic number, because the mean of its divisors is an integer number (7839863100).

Almost surely, 2^121211301102 is an apocalyptic number.

121211301102 is an abundant number, since it is smaller than the sum of its proper divisors (129664318098).

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

121211301102 is a wasteful number, since it uses less digits than its factorization.

121211301102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260080.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121211301102 its reverse (201103112121), we get a palindrome (322314413223).

The spelling of 121211301102 in words is "one hundred twenty-one billion, two hundred eleven million, three hundred one thousand, one hundred two".