221020220220083 has 2 divisors, whose sum is σ = 221020220220084. Its totient is φ = 221020220220082.

The previous prime is 221020220220061. The next prime is 221020220220109. The reversal of 221020220220083 is 380022022020122.

It is an a-pointer prime, because the next prime (221020220220109) can be obtained adding 221020220220083 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221020220220083 is a prime.

It is a super-2 number, since 2×221020220220083² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221020220220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110510110110041 + 110510110110042.

It is an arithmetic number, because the mean of its divisors is an integer number (110510110110042).

Almost surely, 2^{221020220220083} is an apocalyptic number.

221020220220083 is a deficient number, since it is larger than the sum of its proper divisors (1).

221020220220083 is an equidigital number, since it uses as much as digits as its factorization.

221020220220083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 221020220220083 in words is "two hundred twenty-one trillion, twenty billion, two hundred twenty million, two hundred twenty thousand, eighty-three".