20113033132221 has 32 divisors (see below), whose sum is σ = 28537264723968. Its totient is φ = 12556799988480.

The previous prime is 20113033132163. The next prime is 20113033132271. The reversal of 20113033132221 is 12223133031102.

It is not a de Polignac number, because 20113033132221 - 2¹³ = 20113033124029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20113033132191 and 20113033132200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113033132271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7815276 + ... + 10065018.

It is an arithmetic number, because the mean of its divisors is an integer number (891789522624).

Almost surely, 2^{20113033132221} is an apocalyptic number.

It is an amenable number.

20113033132221 is a deficient number, since it is larger than the sum of its proper divisors (8424231591747).

20113033132221 is a wasteful number, since it uses less digits than its factorization.

20113033132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250641.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20113033132221 its reverse (12223133031102), we get a palindrome (32336166163323).

The spelling of 20113033132221 in words is "twenty trillion, one hundred thirteen billion, thirty-three million, one hundred thirty-two thousand, two hundred twenty-one".