19090222111 has 8 divisors (see below), whose sum is σ = 19928613600. Its totient is φ = 18252529152.

The previous prime is 19090222103. The next prime is 19090222117. The reversal of 19090222111 is 11122209091.

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

It is not a de Polignac number, because 19090222111 - 2³ = 19090222103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19090222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19090222117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118386 + ... + 228463.

It is an arithmetic number, because the mean of its divisors is an integer number (2491076700).

Almost surely, 2^19090222111 is an apocalyptic number.

19090222111 is a deficient number, since it is larger than the sum of its proper divisors (838391489).

19090222111 is a wasteful number, since it uses less digits than its factorization.

19090222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349265.

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

The spelling of 19090222111 in words is "nineteen billion, ninety million, two hundred twenty-two thousand, one hundred eleven".