22200211200121 has 4 divisors (see below), whose sum is σ = 22218363459072. Its totient is φ = 22182058941172.

The previous prime is 22200211200119. The next prime is 22200211200127. The reversal of 22200211200121 is 12100211200222.

It is a happy number.

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 22200211200121 - 2¹ = 22200211200119 is a prime.

It is a super-2 number, since 2×22200211200121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22200211200095 and 22200211200104.

It is not an unprimeable number, because it can be changed into a prime (22200211200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9076127641 + ... + 9076130086.

It is an arithmetic number, because the mean of its divisors is an integer number (5554590864768).

Almost surely, 2^{22200211200121} is an apocalyptic number.

It is an amenable number.

22200211200121 is a deficient number, since it is larger than the sum of its proper divisors (18152258951).

22200211200121 is a wasteful number, since it uses less digits than its factorization.

22200211200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152258950.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22200211200121 its reverse (12100211200222), we get a palindrome (34300422400343).

The spelling of 22200211200121 in words is "twenty-two trillion, two hundred billion, two hundred eleven million, two hundred thousand, one hundred twenty-one".