120101222100100 has 72 divisors (see below), whose sum is σ = 265507699857120. Its totient is φ = 47142358759680.

The previous prime is 120101222100089. The next prime is 120101222100113. The reversal of 120101222100100 is 1001222101021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14756577 + ... + 21399976.

It is an arithmetic number, because the mean of its divisors is an integer number (3687606942460).

Almost surely, 2^{120101222100100} is an apocalyptic number.

120101222100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101222100100 is an abundant number, since it is smaller than the sum of its proper divisors (145406477757020).

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

120101222100100 is a wasteful number, since it uses less digits than its factorization.

120101222100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36157189 (or 36157182 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120101222100100 its reverse (1001222101021), we get a palindrome (121102444201121).

The spelling of 120101222100100 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty-two million, one hundred thousand, one hundred".