1201001110120 has 32 divisors (see below), whose sum is σ = 3088288569600. Its totient is φ = 411771809088.

The previous prime is 1201001110109. The next prime is 1201001110147. The reversal of 1201001110120 is 210111001021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1201001110097 and 1201001110106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144644560 + ... + 2144645119.

It is an arithmetic number, because the mean of its divisors is an integer number (96509017800).

Almost surely, 2^{1201001110120} is an apocalyptic number.

1201001110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201001110120 is an abundant number, since it is smaller than the sum of its proper divisors (1887287459480).

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

1201001110120 is a wasteful number, since it uses less digits than its factorization.

1201001110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289289697 (or 4289289693 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1201001110120 its reverse (210111001021), we get a palindrome (1411112111141).

The spelling of 1201001110120 in words is "one trillion, two hundred one billion, one million, one hundred ten thousand, one hundred twenty".