1011112020020 has 24 divisors (see below), whose sum is σ = 2123380030464. Its totient is φ = 404436276896.

The previous prime is 1011112019969. The next prime is 1011112020031. The reversal of 1011112020020 is 200202111101.

1011112020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1011112019983 and 1011112020010.

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, 486209 + ... + 1502871.

It is an arithmetic number, because the mean of its divisors is an integer number (88474167936).

Almost surely, 2^{1011112020020} is an apocalyptic number.

1011112020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011112020020 is an abundant number, since it is smaller than the sum of its proper divisors (1112268010444).

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

1011112020020 is a wasteful number, since it uses less digits than its factorization.

1011112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066399 (or 1066397 counting only the distinct ones).

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

Adding to 1011112020020 its reverse (200202111101), we get a palindrome (1211314131121).

The spelling of 1011112020020 in words is "one trillion, eleven billion, one hundred twelve million, twenty thousand, twenty".