196101111 has 4 divisors (see below), whose sum is σ = 261468152. Its totient is φ = 130734072.

The previous prime is 196101107. The next prime is 196101119. The reversal of 196101111 is 111101691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111101691 = 3 ⋅37033897.

It is not a de Polignac number, because 196101111 - 2² = 196101107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196101119) 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, 32683516 + ... + 32683521.

It is an arithmetic number, because the mean of its divisors is an integer number (65367038).

Almost surely, 2^196101111 is an apocalyptic number.

196101111 is a deficient number, since it is larger than the sum of its proper divisors (65367041).

196101111 is an equidigital number, since it uses as much as digits as its factorization.

196101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65367040.

The product of its (nonzero) digits is 54, while the sum is 21.

The square root of 196101111 is about 14003.6106415453. The cubic root of 196101111 is about 580.9784426025.

The spelling of 196101111 in words is "one hundred ninety-six million, one hundred one thousand, one hundred eleven".