1100100022020 has 96 divisors (see below), whose sum is σ = 3571339242240. Its totient is φ = 280605219840.

The previous prime is 1100100022013. The next prime is 1100100022027. The reversal of 1100100022020 is 202200010011.

It is an interprime number because it is at equal distance from previous prime (1100100022013) and next prime (1100100022027).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100100021993 and 1100100022011.

It is not an unprimeable number, because it can be changed into a prime (1100100022027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44275021 + ... + 44299860.

It is an arithmetic number, because the mean of its divisors is an integer number (37201450440).

Almost surely, 2^{1100100022020} is an apocalyptic number.

1100100022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100100022020 is an abundant number, since it is smaller than the sum of its proper divisors (2471239220220).

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

1100100022020 is a wasteful number, since it uses less digits than its factorization.

1100100022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88574922 (or 88574914 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1100100022020 its reverse (202200010011), we get a palindrome (1302300032031).

The spelling of 1100100022020 in words is "one trillion, one hundred billion, one hundred million, twenty-two thousand, twenty".