1232112101 has 4 divisors (see below), whose sum is σ = 1344122304. Its totient is φ = 1120101900.

The previous prime is 1232112023. The next prime is 1232112107. The reversal of 1232112101 is 1012112321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1012112321 = 11 ⋅92010211.

It is a cyclic number.

It is not a de Polignac number, because 1232112101 - 2¹⁰ = 1232111077 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 (1232112107) 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, 56005085 + ... + 56005106.

It is an arithmetic number, because the mean of its divisors is an integer number (336030576).

Almost surely, 2^1232112101 is an apocalyptic number.

1232112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1232112101 is a deficient number, since it is larger than the sum of its proper divisors (112010203).

1232112101 is a wasteful number, since it uses less digits than its factorization.

1232112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112010202.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1232112101 is about 35101.4544000672. The cubic root of 1232112101 is about 1072.0541960074.

Adding to 1232112101 its reverse (1012112321), we get a palindrome (2244224422).

The spelling of 1232112101 in words is "one billion, two hundred thirty-two million, one hundred twelve thousand, one hundred one".