10011120101020 has 12 divisors (see below), whose sum is σ = 21023352212184. Its totient is φ = 4004448040400.

The previous prime is 10011120101009. The next prime is 10011120101029. The reversal of 10011120101020 is 2010102111001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10011120100988 and 10011120101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011120101029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250278002506 + ... + 250278002545.

It is an arithmetic number, because the mean of its divisors is an integer number (1751946017682).

Almost surely, 2^{10011120101020} is an apocalyptic number.

10011120101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011120101020 is an abundant number, since it is smaller than the sum of its proper divisors (11012232111164).

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

10011120101020 is a wasteful number, since it uses less digits than its factorization.

10011120101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500556005060 (or 500556005058 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10011120101020 its reverse (2010102111001), we get a palindrome (12021222212021).

The spelling of 10011120101020 in words is "ten trillion, eleven billion, one hundred twenty million, one hundred one thousand, twenty".