10113532121020 has 12 divisors (see below), whose sum is σ = 21238417454184. Its totient is φ = 4045412848400.

The previous prime is 10113532120973. The next prime is 10113532121129. The reversal of 10113532121020 is 2012123531101.

It is a junction number, because it is equal to n+sod(n) for n = 10113532120982 and 10113532121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252838303006 + ... + 252838303045.

It is an arithmetic number, because the mean of its divisors is an integer number (1769868121182).

Almost surely, 2^{10113532121020} is an apocalyptic number.

10113532121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10113532121020 is an abundant number, since it is smaller than the sum of its proper divisors (11124885333164).

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

10113532121020 is a wasteful number, since it uses less digits than its factorization.

10113532121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505676606060 (or 505676606058 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10113532121020 its reverse (2012123531101), we get a palindrome (12125655652121).

The spelling of 10113532121020 in words is "ten trillion, one hundred thirteen billion, five hundred thirty-two million, one hundred twenty-one thousand, twenty".