222022100121 has 8 divisors (see below), whose sum is σ = 296161809024. Its totient is φ = 147948562320.

The previous prime is 222022100107. The next prime is 222022100203. The reversal of 222022100121 is 121001220222.

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

It is not a de Polignac number, because 222022100121 - 2⁶ = 222022100057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222022100121.

It is not an unprimeable number, because it can be changed into a prime (222022500121) 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, 16534945 + ... + 16548366.

It is an arithmetic number, because the mean of its divisors is an integer number (37020226128).

Almost surely, 2^222022100121 is an apocalyptic number.

It is an amenable number.

222022100121 is a deficient number, since it is larger than the sum of its proper divisors (74139708903).

222022100121 is a wasteful number, since it uses less digits than its factorization.

222022100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33085551.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222022100121 its reverse (121001220222), we get a palindrome (343023320343).

The spelling of 222022100121 in words is "two hundred twenty-two billion, twenty-two million, one hundred thousand, one hundred twenty-one".