22220121111011 has 2 divisors, whose sum is σ = 22220121111012. Its totient is φ = 22220121111010.

The previous prime is 22220121110963. The next prime is 22220121111043. The reversal of 22220121111011 is 11011112102222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220121111011 - 2²⁶ = 22220054002147 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220126111011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110060555505 + 11110060555506.

It is an arithmetic number, because the mean of its divisors is an integer number (11110060555506).

Almost surely, 2^{22220121111011} is an apocalyptic number.

22220121111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220121111011 is an equidigital number, since it uses as much as digits as its factorization.

22220121111011 is an evil number, because the sum of its binary digits is even.

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

Adding to 22220121111011 its reverse (11011112102222), we get a palindrome (33231233213233).

It can be divided in two parts, 222201211 and 11011, that added together give a palindrome (222212222).

The spelling of 22220121111011 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, eleven".