22120200020101 has 4 divisors (see below), whose sum is σ = 22659717093804. Its totient is φ = 21580682946400.

The previous prime is 22120200020027. The next prime is 22120200020123. The reversal of 22120200020101 is 10102000202122.

It is a happy number.

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 6180822487876 + 15939377532225 = 2486126^2 + 3992415^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120200020101 - 2⁴¹ = 19921176764549 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 (22120200026101) 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, 269758536790 + ... + 269758536871.

It is an arithmetic number, because the mean of its divisors is an integer number (5664929273451).

Almost surely, 2^{22120200020101} is an apocalyptic number.

It is an amenable number.

22120200020101 is a deficient number, since it is larger than the sum of its proper divisors (539517073703).

22120200020101 is an equidigital number, since it uses as much as digits as its factorization.

22120200020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539517073702.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22120200020101 its reverse (10102000202122), we get a palindrome (32222200222223).

The spelling of 22120200020101 in words is "twenty-two trillion, one hundred twenty billion, two hundred million, twenty thousand, one hundred one".