222001111020121 has 16 divisors (see below), whose sum is σ = 237007960675200. Its totient is φ = 207327300364800.

The previous prime is 222001111020119. The next prime is 222001111020167. The reversal of 222001111020121 is 121020111100222.

222001111020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222001111020121 - 2¹ = 222001111020119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222001111020095 and 222001111020104.

It is not an unprimeable number, because it can be changed into a prime (222001111020181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604920 + ... + 21080041.

It is an arithmetic number, because the mean of its divisors is an integer number (14812997542200).

Almost surely, 2^{222001111020121} is an apocalyptic number.

It is an amenable number.

222001111020121 is a deficient number, since it is larger than the sum of its proper divisors (15006849655079).

222001111020121 is a wasteful number, since it uses less digits than its factorization.

222001111020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21692640.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222001111020121 its reverse (121020111100222), we get a palindrome (343021222120343).

The spelling of 222001111020121 in words is "two hundred twenty-two trillion, one billion, one hundred eleven million, twenty thousand, one hundred twenty-one".