121202021101100 has 18 divisors (see below), whose sum is σ = 263008385789604. Its totient is φ = 48480808440400.

The previous prime is 121202021101079. The next prime is 121202021101151. The reversal of 121202021101100 is 1101120202121.

121202021101100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606010105406 + ... + 606010105605.

Almost surely, 2^{121202021101100} is an apocalyptic number.

121202021101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202021101100 is an abundant number, since it is smaller than the sum of its proper divisors (141806364688504).

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

121202021101100 is a wasteful number, since it uses less digits than its factorization.

121202021101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212020211025 (or 1212020211018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121202021101100 its reverse (1101120202121), we get a palindrome (122303141303221).

It can be divided in two parts, 121202021 and 101100, that added together give a palindrome (121303121).

The spelling of 121202021101100 in words is "one hundred twenty-one trillion, two hundred two billion, twenty-one million, one hundred one thousand, one hundred".