1201202111120 has 80 divisors (see below), whose sum is σ = 3088420935552. Its totient is φ = 430817172480.

The previous prime is 1201202111119. The next prime is 1201202111159. The reversal of 1201202111120 is 211112021021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1201202111095 and 1201202111104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9285092 + ... + 9413571.

Almost surely, 2^{1201202111120} is an apocalyptic number.

1201202111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201202111120 is an abundant number, since it is smaller than the sum of its proper divisors (1887218824432).

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

1201202111120 is a wasteful number, since it uses less digits than its factorization.

1201202111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18698760 (or 18698754 counting only the distinct ones).

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

Adding to 1201202111120 its reverse (211112021021), we get a palindrome (1412314132141).

Subtracting from 1201202111120 its reverse (211112021021), we obtain a palindrome (990090090099).

The spelling of 1201202111120 in words is "one trillion, two hundred one billion, two hundred two million, one hundred eleven thousand, one hundred twenty".