222001222121011 has 32 divisors (see below), whose sum is σ = 244502012401920. Its totient is φ = 200709372441600.

The previous prime is 222001222120973. The next prime is 222001222121027. The reversal of 222001222121011 is 110121222100222.

It is a cyclic number.

It is not a de Polignac number, because 222001222121011 - 2⁷ = 222001222120883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222001222121011.

It is not an unprimeable number, because it can be changed into a prime (222001222821011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98400160 + ... + 100630978.

It is an arithmetic number, because the mean of its divisors is an integer number (7640687887560).

Almost surely, 2^{222001222121011} is an apocalyptic number.

222001222121011 is a deficient number, since it is larger than the sum of its proper divisors (22500790280909).

222001222121011 is a wasteful number, since it uses less digits than its factorization.

222001222121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233075.

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

Adding to 222001222121011 its reverse (110121222100222), we get a palindrome (332122444221233).

The spelling of 222001222121011 in words is "two hundred twenty-two trillion, one billion, two hundred twenty-two million, one hundred twenty-one thousand, eleven".