221101221083 has 2 divisors, whose sum is σ = 221101221084. Its totient is φ = 221101221082.

The previous prime is 221101221079. The next prime is 221101221127. The reversal of 221101221083 is 380122101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221101221083 - 2² = 221101221079 is a prime.

It is not a weakly prime, because it can be changed into another prime (221101221683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550610541 + 110550610542.

It is an arithmetic number, because the mean of its divisors is an integer number (110550610542).

Almost surely, 2^221101221083 is an apocalyptic number.

221101221083 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101221083 is an equidigital number, since it uses as much as digits as its factorization.

221101221083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 221101221083 in words is "two hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, eighty-three".