1100021232020 has 24 divisors (see below), whose sum is σ = 2314147709664. Its totient is φ = 439226945696.

The previous prime is 1100021232017. The next prime is 1100021232041. The reversal of 1100021232020 is 202321200011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021231986 and 1100021232004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48835154 + ... + 48857673.

It is an arithmetic number, because the mean of its divisors is an integer number (96422821236).

Almost surely, 2^{1100021232020} is an apocalyptic number.

1100021232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100021232020 is an abundant number, since it is smaller than the sum of its proper divisors (1214126477644).

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

1100021232020 is a wasteful number, since it uses less digits than its factorization.

1100021232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97693399 (or 97693397 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1100021232020 its reverse (202321200011), we get a palindrome (1302342432031).

The spelling of 1100021232020 in words is "one trillion, one hundred billion, twenty-one million, two hundred thirty-two thousand, twenty".