2198219009901 has 4 divisors (see below), whose sum is σ = 2930958679872. Its totient is φ = 1465479339932.

The previous prime is 2198219009893. The next prime is 2198219010037. The reversal of 2198219009901 is 1099009128912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2198219009901 - 2³ = 2198219009893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198219009101) 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 in 3 ways as a sum of consecutive naturals, for example, 366369834981 + ... + 366369834986.

It is an arithmetic number, because the mean of its divisors is an integer number (732739669968).

Almost surely, 2^{2198219009901} is an apocalyptic number.

It is an amenable number.

2198219009901 is a deficient number, since it is larger than the sum of its proper divisors (732739669971).

2198219009901 is an equidigital number, since it uses as much as digits as its factorization.

2198219009901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732739669970.

The product of its (nonzero) digits is 209952, while the sum is 51.

The spelling of 2198219009901 in words is "two trillion, one hundred ninety-eight billion, two hundred nineteen million, nine thousand, nine hundred one".