22212001000121 has 8 divisors (see below), whose sum is σ = 22297593764160. Its totient is φ = 22126416846352.

The previous prime is 22212001000117. The next prime is 22212001000127. The reversal of 22212001000121 is 12100010021222.

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

It is a cyclic number.

It is not a de Polignac number, because 22212001000121 - 2² = 22212001000117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22212001000096 and 22212001000105.

It is not an unprimeable number, because it can be changed into a prime (22212001000127) 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, 3040886 + ... + 7326048.

It is an arithmetic number, because the mean of its divisors is an integer number (2787199220520).

Almost surely, 2^{22212001000121} is an apocalyptic number.

It is an amenable number.

22212001000121 is a deficient number, since it is larger than the sum of its proper divisors (85592764039).

22212001000121 is a wasteful number, since it uses less digits than its factorization.

22212001000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305135.

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

Adding to 22212001000121 its reverse (12100010021222), we get a palindrome (34312011021343).

The spelling of 22212001000121 in words is "twenty-two trillion, two hundred twelve billion, one million, one hundred twenty-one", and thus it is an aban number.