20212110224101 has 4 divisors (see below), whose sum is σ = 20214487848204. Its totient is φ = 20209732600000.

The previous prime is 20212110224099. The next prime is 20212110224123. The reversal of 20212110224101 is 10142201121202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 857477852001 + 19354632372100 = 926001^2 + 4399390^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212110224101 - 2¹ = 20212110224099 is a prime.

It is a super-2 number, since 2×20212110224101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212110024101) 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, 1188799300 + ... + 1188816301.

It is an arithmetic number, because the mean of its divisors is an integer number (5053621962051).

Almost surely, 2^{20212110224101} is an apocalyptic number.

It is an amenable number.

20212110224101 is a deficient number, since it is larger than the sum of its proper divisors (2377624103).

20212110224101 is an equidigital number, since it uses as much as digits as its factorization.

20212110224101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377624102.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212110224101 its reverse (10142201121202), we get a palindrome (30354311345303).

The spelling of 20212110224101 in words is "twenty trillion, two hundred twelve billion, one hundred ten million, two hundred twenty-four thousand, one hundred one".