1101012300020 has 96 divisors (see below), whose sum is σ = 2398622284800. Its totient is φ = 424017380864.

The previous prime is 1101012300019. The next prime is 1101012300043. The reversal of 1101012300020 is 200032101011.

It is a junction number, because it is equal to n+sod(n) for n = 1101012299974 and 1101012300010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376155797 + ... + 376158723.

It is an arithmetic number, because the mean of its divisors is an integer number (24985648800).

Almost surely, 2^{1101012300020} is an apocalyptic number.

1101012300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101012300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199311142400).

1101012300020 is an abundant number, since it is smaller than the sum of its proper divisors (1297609984780).

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

1101012300020 is a wasteful number, since it uses less digits than its factorization.

1101012300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4575 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1101012300020 its reverse (200032101011), we get a palindrome (1301044401031).

The spelling of 1101012300020 in words is "one trillion, one hundred one billion, twelve million, three hundred thousand, twenty".