221120220100019 has 2 divisors, whose sum is σ = 221120220100020. Its totient is φ = 221120220100018.

The previous prime is 221120220099983. The next prime is 221120220100033. The reversal of 221120220100019 is 910001022021122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221120220100019 - 2¹² = 221120220095923 is a prime.

It is a super-2 number, since 2×221120220100019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221120220099967 and 221120220100003.

It is not a weakly prime, because it can be changed into another prime (221120220100519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560110050009 + 110560110050010.

It is an arithmetic number, because the mean of its divisors is an integer number (110560110050010).

Almost surely, 2^{221120220100019} is an apocalyptic number.

221120220100019 is a deficient number, since it is larger than the sum of its proper divisors (1).

221120220100019 is an equidigital number, since it uses as much as digits as its factorization.

221120220100019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 221120220100019 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty million, one hundred thousand, nineteen".