11012110120020 has 24 divisors (see below), whose sum is σ = 30833908336224. Its totient is φ = 2936562698656.

The previous prime is 11012110120019. The next prime is 11012110120057. The reversal of 11012110120020 is 2002101121011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11012110119978 and 11012110120005.

It is a congruent number.

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, 91767584274 + ... + 91767584393.

It is an arithmetic number, because the mean of its divisors is an integer number (1284746180676).

Almost surely, 2^{11012110120020} is an apocalyptic number.

11012110120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012110120020 is an abundant number, since it is smaller than the sum of its proper divisors (19821798216204).

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

11012110120020 is a wasteful number, since it uses less digits than its factorization.

11012110120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183535168679 (or 183535168677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11012110120020 its reverse (2002101121011), we get a palindrome (13014211241031).

The spelling of 11012110120020 in words is "eleven trillion, twelve billion, one hundred ten million, one hundred twenty thousand, twenty".