22001200212101 has 4 divisors (see below), whose sum is σ = 24001309322304. Its totient is φ = 20001091101900.

The previous prime is 22001200212077. The next prime is 22001200212139. The reversal of 22001200212101 is 10121200210022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22001200212101 - 2³⁴ = 21984020342917 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 (22001200212401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000054555085 + ... + 1000054555106.

It is an arithmetic number, because the mean of its divisors is an integer number (6000327330576).

Almost surely, 2^{22001200212101} is an apocalyptic number.

It is an amenable number.

22001200212101 is a deficient number, since it is larger than the sum of its proper divisors (2000109110203).

22001200212101 is a wasteful number, since it uses less digits than its factorization.

22001200212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000109110202.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22001200212101 its reverse (10121200210022), we get a palindrome (32122400422123).

The spelling of 22001200212101 in words is "twenty-two trillion, one billion, two hundred million, two hundred twelve thousand, one hundred one".