101112345154 has 4 divisors (see below), whose sum is σ = 151668517734. Its totient is φ = 50556172576.

The previous prime is 101112345149. The next prime is 101112345161. The reversal of 101112345154 is 451543211101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451543211101 = 400859 ⋅1126439.

It can be written as a sum of positive squares in only one way, i.e., 74571047929 + 26541297225 = 273077^2 + 162915^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25278086287 + ... + 25278086290.

Almost surely, 2^101112345154 is an apocalyptic number.

101112345154 is a deficient number, since it is larger than the sum of its proper divisors (50556172580).

101112345154 is an equidigital number, since it uses as much as digits as its factorization.

101112345154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50556172579.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 101112345154 its reverse (451543211101), we get a palindrome (552655556255).

The spelling of 101112345154 in words is "one hundred one billion, one hundred twelve million, three hundred forty-five thousand, one hundred fifty-four".