1101213132320 has 192 divisors, whose sum is σ = 3133274006016. Its totient is φ = 357566668800.

The previous prime is 1101213132259. The next prime is 1101213132337. The reversal of 1101213132320 is 232313121011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1101213132292 and 1101213132301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2390132 + ... + 2813388.

It is an arithmetic number, because the mean of its divisors is an integer number (16319135448).

Almost surely, 2^{1101213132320} is an apocalyptic number.

1101213132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101213132320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566637003008).

1101213132320 is an abundant number, since it is smaller than the sum of its proper divisors (2032060873696).

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

1101213132320 is a wasteful number, since it uses less digits than its factorization.

1101213132320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423403 (or 423395 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1101213132320 its reverse (232313121011), we get a palindrome (1333526253331).

The spelling of 1101213132320 in words is "one trillion, one hundred one billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred twenty".