222001011202121 has 8 divisors (see below), whose sum is σ = 222205845932064. Its totient is φ = 221796229960000.

The previous prime is 222001011201953. The next prime is 222001011202127. The reversal of 222001011202121 is 121202110100222.

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 222001011202121 - 2²² = 222001007007817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222001011202121.

It is not an unprimeable number, because it can be changed into a prime (222001011202127) 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, 5064755 + ... + 21671496.

It is an arithmetic number, because the mean of its divisors is an integer number (27775730741508).

Almost surely, 2^{222001011202121} is an apocalyptic number.

It is an amenable number.

222001011202121 is a deficient number, since it is larger than the sum of its proper divisors (204834729943).

222001011202121 is a wasteful number, since it uses less digits than its factorization.

222001011202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26743911.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222001011202121 its reverse (121202110100222), we get a palindrome (343203121302343).

The spelling of 222001011202121 in words is "two hundred twenty-two trillion, one billion, eleven million, two hundred two thousand, one hundred twenty-one".