222020122121 has 8 divisors (see below), whose sum is σ = 255589380480. Its totient is φ = 188913888288.

The previous prime is 222020122099. The next prime is 222020122127. The reversal of 222020122121 is 121221020222.

It is a happy number.

222020122121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222020122121 - 2³⁴ = 204840252937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222020122121.

It is not an unprimeable number, because it can be changed into a prime (222020122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115755101 + ... + 115757018.

It is an arithmetic number, because the mean of its divisors is an integer number (31948672560).

Almost surely, 2^222020122121 is an apocalyptic number.

It is an amenable number.

222020122121 is a deficient number, since it is larger than the sum of its proper divisors (33569258359).

222020122121 is a wasteful number, since it uses less digits than its factorization.

222020122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231512263.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222020122121 its reverse (121221020222), we get a palindrome (343241142343).

The spelling of 222020122121 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-two thousand, one hundred twenty-one".