120421044444100 has 18 divisors (see below), whose sum is σ = 261313666443914. Its totient is φ = 48168417777600.

The previous prime is 120421044444079. The next prime is 120421044444157. The reversal of 120421044444100 is 1444440124021.

It can be written as a sum of positive squares in 3 ways, for example, as 5006030357056 + 115415014087044 = 2237416^2 + 10743138^2 .

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, 602105222121 + ... + 602105222320.

Almost surely, 2^{120421044444100} is an apocalyptic number.

120421044444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120421044444100 is an abundant number, since it is smaller than the sum of its proper divisors (140892621999814).

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

120421044444100 is a wasteful number, since it uses less digits than its factorization.

120421044444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204210444455 (or 1204210444448 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 120421044444100 its reverse (1444440124021), we get a palindrome (121865484568121).

The spelling of 120421044444100 in words is "one hundred twenty trillion, four hundred twenty-one billion, forty-four million, four hundred forty-four thousand, one hundred".