1101201232120 has 128 divisors (see below), whose sum is σ = 2917726272000. Its totient is φ = 369818606080.

The previous prime is 1101201232099. The next prime is 1101201232127. The reversal of 1101201232120 is 212321021011.

It is a super-2 number, since 2×1101201232120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101201232094 and 1101201232103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101201232127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1582630 + ... + 2169589.

It is an arithmetic number, because the mean of its divisors is an integer number (22794736500).

Almost surely, 2^{1101201232120} is an apocalyptic number.

1101201232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101201232120 is an abundant number, since it is smaller than the sum of its proper divisors (1816525039880).

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

1101201232120 is a wasteful number, since it uses less digits than its factorization.

1101201232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752293 (or 3752289 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1101201232120 its reverse (212321021011), we get a palindrome (1313522253131).

The spelling of 1101201232120 in words is "one trillion, one hundred one billion, two hundred one million, two hundred thirty-two thousand, one hundred twenty".