1101322440020 has 48 divisors (see below), whose sum is σ = 2554966713600. Its totient is φ = 395411502720.

The previous prime is 1101322440019. The next prime is 1101322440041. The reversal of 1101322440020 is 200442231011.

It is a super-2 number, since 2×1101322440020² (a number of 25 digits) contains 22 as substring.

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 = 1101322439974 and 1101322440001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31666235 + ... + 31700994.

It is an arithmetic number, because the mean of its divisors is an integer number (53228473200).

Almost surely, 2^{1101322440020} is an apocalyptic number.

1101322440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101322440020 is an abundant number, since it is smaller than the sum of its proper divisors (1453644273580).

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

1101322440020 is a wasteful number, since it uses less digits than its factorization.

1101322440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63367328 (or 63367326 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1101322440020 its reverse (200442231011), we get a palindrome (1301764671031).

The spelling of 1101322440020 in words is "one trillion, one hundred one billion, three hundred twenty-two million, four hundred forty thousand, twenty".