190012211111 has 8 divisors (see below), whose sum is σ = 191479473600. Its totient is φ = 188547509088.

The previous prime is 190012211083. The next prime is 190012211143. The reversal of 190012211111 is 111112210091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190012211111 is a prime.

It is a super-2 number, since 2×190012211111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190012211171) 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 7 ways as a sum of consecutive naturals, for example, 490991 + ... + 788096.

It is an arithmetic number, because the mean of its divisors is an integer number (23934934200).

Almost surely, 2^190012211111 is an apocalyptic number.

190012211111 is a deficient number, since it is larger than the sum of its proper divisors (1467262489).

190012211111 is a wasteful number, since it uses less digits than its factorization.

190012211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280233.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 190012211111 in words is "one hundred ninety billion, twelve million, two hundred eleven thousand, one hundred eleven".