222001211121011 has 4 divisors (see below), whose sum is σ = 253715669852592. Its totient is φ = 190286752389432.

The previous prime is 222001211120989. The next prime is 222001211121071. The reversal of 222001211121011 is 110121112100222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222001211121011 - 2¹⁴ = 222001211104627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001211121071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15857229365780 + ... + 15857229365793.

It is an arithmetic number, because the mean of its divisors is an integer number (63428917463148).

Almost surely, 2^{222001211121011} is an apocalyptic number.

222001211121011 is a deficient number, since it is larger than the sum of its proper divisors (31714458731581).

222001211121011 is an equidigital number, since it uses as much as digits as its factorization.

222001211121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31714458731580.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222001211121011 its reverse (110121112100222), we get a palindrome (332122323221233).

The spelling of 222001211121011 in words is "two hundred twenty-two trillion, one billion, two hundred eleven million, one hundred twenty-one thousand, eleven".