199030901011 has 4 divisors (see below), whose sum is σ = 199144052800. Its totient is φ = 198917749224.

The previous prime is 199030900967. The next prime is 199030901093. The reversal of 199030901011 is 110109030991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199030901011 - 2⁷ = 199030900883 is a prime.

It is a super-2 number, since 2×199030901011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199030901711) 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, 56573256 + ... + 56576773.

It is an arithmetic number, because the mean of its divisors is an integer number (49786013200).

Almost surely, 2^199030901011 is an apocalyptic number.

199030901011 is a deficient number, since it is larger than the sum of its proper divisors (113151789).

199030901011 is a wasteful number, since it uses less digits than its factorization.

199030901011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113151788.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 199030901011 in words is "one hundred ninety-nine billion, thirty million, nine hundred one thousand, eleven".