1100012112020 has 48 divisors (see below), whose sum is σ = 2320712529408. Its totient is φ = 437969769600.

The previous prime is 1100012111999. The next prime is 1100012112047. The reversal of 1100012112020 is 202112100011.

It is a super-3 number, since 3×1100012112020³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100012111992 and 1100012112010.

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, 43922942 + ... + 43947978.

It is an arithmetic number, because the mean of its divisors is an integer number (48348177696).

Almost surely, 2^{1100012112020} is an apocalyptic number.

1100012112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100012112020 is an abundant number, since it is smaller than the sum of its proper divisors (1220700417388).

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

1100012112020 is a wasteful number, since it uses less digits than its factorization.

1100012112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35120 (or 35118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100012112020 its reverse (202112100011), we get a palindrome (1302124212031).

The spelling of 1100012112020 in words is "one trillion, one hundred billion, twelve million, one hundred twelve thousand, twenty".