1101200012220 has 192 divisors, whose sum is σ = 4046515200000. Its totient is φ = 216777565440.

The previous prime is 1101200012189. The next prime is 1101200012221. The reversal of 1101200012220 is 222100021011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1101200012196 and 1101200012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101200012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6184720 + ... + 6360279.

It is an arithmetic number, because the mean of its divisors is an integer number (21075600000).

Almost surely, 2^{1101200012220} is an apocalyptic number.

1101200012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101200012220 is an abundant number, since it is smaller than the sum of its proper divisors (2945315187780).

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

1101200012220 is a wasteful number, since it uses less digits than its factorization.

1101200012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12545048 (or 12545046 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1101200012220 its reverse (222100021011), we get a palindrome (1323300033231).

The spelling of 1101200012220 in words is "one trillion, one hundred one billion, two hundred million, twelve thousand, two hundred twenty".