222122000010121 has 8 divisors (see below), whose sum is σ = 226433265196424. Its totient is φ = 217832345176320.

The previous prime is 222122000010109. The next prime is 222122000010137. The reversal of 222122000010121 is 121010000221222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3936013955721 + 218185986054400 = 1983939^2 + 14771120^2 .

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 222122000010121 - 2¹⁷ = 222121999879049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222122000010095 and 222122000010104.

It is not an unprimeable number, because it can be changed into a prime (222122000010161) 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, 5402567370 + ... + 5402608483.

It is an arithmetic number, because the mean of its divisors is an integer number (28304158149553).

Almost surely, 2^{222122000010121} is an apocalyptic number.

It is an amenable number.

222122000010121 is a deficient number, since it is larger than the sum of its proper divisors (4311265186303).

222122000010121 is a wasteful number, since it uses less digits than its factorization.

222122000010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805176251.

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

Adding to 222122000010121 its reverse (121010000221222), we get a palindrome (343132000231343).

The spelling of 222122000010121 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, ten thousand, one hundred twenty-one".