120121021211102 has 4 divisors (see below), whose sum is σ = 180181531816656. Its totient is φ = 60060510605550.

The previous prime is 120121021211063. The next prime is 120121021211153. The reversal of 120121021211102 is 201112120121021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30030255302774 + ... + 30030255302777.

It is an arithmetic number, because the mean of its divisors is an integer number (45045382954164).

Almost surely, 2^{120121021211102} is an apocalyptic number.

120121021211102 is a deficient number, since it is larger than the sum of its proper divisors (60060510605554).

120121021211102 is an equidigital number, since it uses as much as digits as its factorization.

120121021211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60060510605553.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120121021211102 its reverse (201112120121021), we get a palindrome (321233141332123).

The spelling of 120121021211102 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-one million, two hundred eleven thousand, one hundred two".