221220119011 has 2 divisors, whose sum is σ = 221220119012. Its totient is φ = 221220119010.

The previous prime is 221220118993. The next prime is 221220119039. The reversal of 221220119011 is 110911022122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221220119011 - 2⁵ = 221220118979 is a prime.

It is not a weakly prime, because it can be changed into another prime (221220419011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610059505 + 110610059506.

It is an arithmetic number, because the mean of its divisors is an integer number (110610059506).

Almost surely, 2^221220119011 is an apocalyptic number.

221220119011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221220119011 is an equidigital number, since it uses as much as digits as its factorization.

221220119011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 221220119011 in words is "two hundred twenty-one billion, two hundred twenty million, one hundred nineteen thousand, eleven".