222210201120121 has 4 divisors (see below), whose sum is σ = 222211547336592. Its totient is φ = 222208854903652.

The previous prime is 222210201120107. The next prime is 222210201120137. The reversal of 222210201120121 is 121021102012222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222210201120121 - 2³¹ = 222208053636473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222210201120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672860611 + ... + 673190776.

It is an arithmetic number, because the mean of its divisors is an integer number (55552886834148).

Almost surely, 2^{222210201120121} is an apocalyptic number.

It is an amenable number.

222210201120121 is a deficient number, since it is larger than the sum of its proper divisors (1346216471).

222210201120121 is a wasteful number, since it uses less digits than its factorization.

222210201120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346216470.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222210201120121 its reverse (121021102012222), we get a palindrome (343231303132343).

The spelling of 222210201120121 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred one million, one hundred twenty thousand, one hundred twenty-one".