20033110021101 has 4 divisors (see below), whose sum is σ = 26710813361472. Its totient is φ = 13355406680732.

The previous prime is 20033110021081. The next prime is 20033110021117. The reversal of 20033110021101 is 10112001133002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20033110021101 - 2¹⁴ = 20033110004717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033110021601) 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, 3338851670181 + ... + 3338851670186.

It is an arithmetic number, because the mean of its divisors is an integer number (6677703340368).

Almost surely, 2^{20033110021101} is an apocalyptic number.

It is an amenable number.

20033110021101 is a deficient number, since it is larger than the sum of its proper divisors (6677703340371).

20033110021101 is an equidigital number, since it uses as much as digits as its factorization.

20033110021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677703340370.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20033110021101 its reverse (10112001133002), we get a palindrome (30145111154103).

The spelling of 20033110021101 in words is "twenty trillion, thirty-three billion, one hundred ten million, twenty-one thousand, one hundred one".