120121101210102 has 32 divisors (see below), whose sum is σ = 254825915801472. Its totient is φ = 37618115193984.

The previous prime is 120121101210083. The next prime is 120121101210163. The reversal of 120121101210102 is 201012101121021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045819888 + ... + 1045934739.

It is an arithmetic number, because the mean of its divisors is an integer number (7963309868796).

Almost surely, 2^{120121101210102} is an apocalyptic number.

120121101210102 is an abundant number, since it is smaller than the sum of its proper divisors (134704814591370).

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

120121101210102 is a wasteful number, since it uses less digits than its factorization.

120121101210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091755212.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120121101210102 its reverse (201012101121021), we get a palindrome (321133202331123).

The spelling of 120121101210102 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred one million, two hundred ten thousand, one hundred two".