221101020199 has 2 divisors, whose sum is σ = 221101020200. Its totient is φ = 221101020198.

The previous prime is 221101020149. The next prime is 221101020271. The reversal of 221101020199 is 991020101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221101020199 - 2¹³ = 221101012007 is a prime.

It is a super-2 number, since 2×221101020199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221101020149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550510099 + 110550510100.

It is an arithmetic number, because the mean of its divisors is an integer number (110550510100).

Almost surely, 2^221101020199 is an apocalyptic number.

221101020199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101020199 is an equidigital number, since it uses as much as digits as its factorization.

221101020199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 221101020199 in words is "two hundred twenty-one billion, one hundred one million, twenty thousand, one hundred ninety-nine".