22100211001201 has 4 divisors (see below), whose sum is σ = 22101089657572. Its totient is φ = 22099332344832.

The previous prime is 22100211001189. The next prime is 22100211001223. The reversal of 22100211001201 is 10210011200122.

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 6650209440000 + 15450001561201 = 2578800^2 + 3930649^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100211001201 - 2⁹ = 22100211000689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100211002201) 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, 439290456 + ... + 439340761.

It is an arithmetic number, because the mean of its divisors is an integer number (5525272414393).

Almost surely, 2^{22100211001201} is an apocalyptic number.

It is an amenable number.

22100211001201 is a deficient number, since it is larger than the sum of its proper divisors (878656371).

22100211001201 is an equidigital number, since it uses as much as digits as its factorization.

22100211001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878656370.

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

Adding to 22100211001201 its reverse (10210011200122), we get a palindrome (32310222201323).

The spelling of 22100211001201 in words is "twenty-two trillion, one hundred billion, two hundred eleven million, one thousand, two hundred one".