199210980151 has 4 divisors (see below), whose sum is σ = 209695768600. Its totient is φ = 188726191704.

The previous prime is 199210980109. The next prime is 199210980161. The reversal of 199210980151 is 151089012991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151089012991 = 7 ⋅21584144713.

It is a cyclic number.

It is not a de Polignac number, because 199210980151 - 2¹⁹ = 199210455863 is a prime.

It is a super-2 number, since 2×199210980151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199210980161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5242394196 + ... + 5242394233.

It is an arithmetic number, because the mean of its divisors is an integer number (52423942150).

Almost surely, 2^199210980151 is an apocalyptic number.

199210980151 is a deficient number, since it is larger than the sum of its proper divisors (10484788449).

199210980151 is a wasteful number, since it uses less digits than its factorization.

199210980151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484788448.

The product of its (nonzero) digits is 58320, while the sum is 46.

The spelling of 199210980151 in words is "one hundred ninety-nine billion, two hundred ten million, nine hundred eighty thousand, one hundred fifty-one".