190111001010101 has 8 divisors (see below), whose sum is σ = 196784812922880. Its totient is φ = 183445073107632.

The previous prime is 190111001010097. The next prime is 190111001010167. The reversal of 190111001010101 is 101010100111091.

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

It is a cyclic number.

It is not a de Polignac number, because 190111001010101 - 2² = 190111001010097 is a prime.

It is a super-2 number, since 2×190111001010101² (a number of 29 digits) contains 22 as substring.

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 190111001010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190111001019101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970953505 + ... + 1971049958.

It is an arithmetic number, because the mean of its divisors is an integer number (24598101615360).

Almost surely, 2^{190111001010101} is an apocalyptic number.

It is an amenable number.

190111001010101 is a deficient number, since it is larger than the sum of its proper divisors (6673811912779).

190111001010101 is a wasteful number, since it uses less digits than its factorization.

190111001010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942005155.

The product of its (nonzero) digits is 9, while the sum is 17.

Adding to 190111001010101 its reverse (101010100111091), we get a palindrome (291121101121192).

The spelling of 190111001010101 in words is "one hundred ninety trillion, one hundred eleven billion, one million, ten thousand, one hundred one".