1100001102020 has 24 divisors (see below), whose sum is σ = 2332873628568. Its totient is φ = 435644000000.

The previous prime is 1100001102019. The next prime is 1100001102037. The reversal of 1100001102020 is 202011000011.

It can be written as a sum of positive squares in 4 ways, for example, as 66021246916 + 1033979855104 = 256946^2 + 1016848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100001101989 and 1100001102007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272275481 + ... + 272279520.

It is an arithmetic number, because the mean of its divisors is an integer number (97203067857).

Almost surely, 2^{1100001102020} is an apocalyptic number.

1100001102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100001102020 is an abundant number, since it is smaller than the sum of its proper divisors (1232872526548).

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

1100001102020 is a wasteful number, since it uses less digits than its factorization.

1100001102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544555111 (or 544555109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100001102020 its reverse (202011000011), we get a palindrome (1302012102031).

It can be divided in two parts, 1100001 and 102020, that added together give a palindrome (1202021).

The spelling of 1100001102020 in words is "one trillion, one hundred billion, one million, one hundred two thousand, twenty".