22010121002101 has 4 divisors (see below), whose sum is σ = 22204900834092. Its totient is φ = 21815341170112.

The previous prime is 22010121002099. The next prime is 22010121002161. The reversal of 22010121002101 is 10120012101022.

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 803221043076 + 21206899959025 = 896226^2 + 4605095^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010121002101 - 2¹ = 22010121002099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010121002161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97389915826 + ... + 97389916051.

It is an arithmetic number, because the mean of its divisors is an integer number (5551225208523).

Almost surely, 2^{22010121002101} is an apocalyptic number.

It is an amenable number.

22010121002101 is a deficient number, since it is larger than the sum of its proper divisors (194779831991).

22010121002101 is a wasteful number, since it uses less digits than its factorization.

22010121002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194779831990.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22010121002101 its reverse (10120012101022), we get a palindrome (32130133103123).

The spelling of 22010121002101 in words is "twenty-two trillion, ten billion, one hundred twenty-one million, two thousand, one hundred one".