20112021022101 has 8 divisors (see below), whose sum is σ = 27270536979360. Its totient is φ = 13180759539792.

The previous prime is 20112021022069. The next prime is 20112021022109. The reversal of 20112021022101 is 10122012021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112021022101 - 2⁵ = 20112021022069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112021022109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56813618530 + ... + 56813618883.

It is an arithmetic number, because the mean of its divisors is an integer number (3408817122420).

Almost surely, 2^{20112021022101} is an apocalyptic number.

It is an amenable number.

20112021022101 is a deficient number, since it is larger than the sum of its proper divisors (7158515957259).

20112021022101 is a wasteful number, since it uses less digits than its factorization.

20112021022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113627237475.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112021022101 its reverse (10122012021102), we get a palindrome (30234033043203).

Subtracting from 20112021022101 its reverse (10122012021102), we obtain a palindrome (9990009000999).

It can be divided in two parts, 2011202 and 1022101, that added together give a palindrome (3033303).

The spelling of 20112021022101 in words is "twenty trillion, one hundred twelve billion, twenty-one million, twenty-two thousand, one hundred one".