101111042 has 4 divisors (see below), whose sum is σ = 151666566. Its totient is φ = 50555520.

The previous prime is 101111033. The next prime is 101111063. The reversal of 101111042 is 240111101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240111101 = 113 ⋅2124877.

It can be written as a sum of positive squares in only one way, i.e., 76020961 + 25090081 = 8719^2 + 5009^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277759 + ... + 25277762.

Almost surely, 2^101111042 is an apocalyptic number.

101111042 is a deficient number, since it is larger than the sum of its proper divisors (50555524).

101111042 is an equidigital number, since it uses as much as digits as its factorization.

101111042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555523.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 101111042 is about 10055.3986494818. The cubic root of 101111042 is about 465.8715561442.

Adding to 101111042 its reverse (240111101), we get a palindrome (341222143).

The spelling of 101111042 in words is "one hundred one million, one hundred eleven thousand, forty-two".