1100122310220 has 24 divisors (see below), whose sum is σ = 3080342468784. Its totient is φ = 293365949376.

The previous prime is 1100122310219. The next prime is 1100122310267. The reversal of 1100122310220 is 220132210011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1100122310220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9167685859 + ... + 9167685978.

It is an arithmetic number, because the mean of its divisors is an integer number (128347602866).

Almost surely, 2^{1100122310220} is an apocalyptic number.

1100122310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100122310220 is an abundant number, since it is smaller than the sum of its proper divisors (1980220158564).

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

1100122310220 is a wasteful number, since it uses less digits than its factorization.

1100122310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335371849 (or 18335371847 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1100122310220 its reverse (220132210011), we get a palindrome (1320254520231).

It can be divided in two parts, 11001 and 22310220, that added together give a triangular number (22321221 = T₆₆₈₁).

The spelling of 1100122310220 in words is "one trillion, one hundred billion, one hundred twenty-two million, three hundred ten thousand, two hundred twenty".