22211200121 has 8 divisors (see below), whose sum is σ = 24641085600. Its totient is φ = 19849762240.

The previous prime is 22211200103. The next prime is 22211200133. The reversal of 22211200121 is 12100211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22211200121 - 2¹⁴ = 22211183737 is a prime.

It is a super-2 number, since 2×22211200121² (a number of 21 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 = 22211200096 and 22211200105.

It is not an unprimeable number, because it can be changed into a prime (22211200181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17111216 + ... + 17112513.

It is an arithmetic number, because the mean of its divisors is an integer number (3080135700).

Almost surely, 2^22211200121 is an apocalyptic number.

It is an amenable number.

22211200121 is a deficient number, since it is larger than the sum of its proper divisors (2429885479).

22211200121 is a wasteful number, since it uses less digits than its factorization.

22211200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34223799.

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

Adding to 22211200121 its reverse (12100211222), we get a palindrome (34311411343).

The spelling of 22211200121 in words is "twenty-two billion, two hundred eleven million, two hundred thousand, one hundred twenty-one".