100112261201 has 4 divisors (see below), whose sum is σ = 105381327600. Its totient is φ = 94843194804.

The previous prime is 100112261191. The next prime is 100112261213. The reversal of 100112261201 is 102162211001.

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: 102162211001 = 1523 ⋅67079587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100112261201 is a prime.

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 100112261201.

It is not an unprimeable number, because it can be changed into a prime (100112260201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634533171 + ... + 2634533208.

It is an arithmetic number, because the mean of its divisors is an integer number (26345331900).

Almost surely, 2^100112261201 is an apocalyptic number.

It is an amenable number.

100112261201 is a deficient number, since it is larger than the sum of its proper divisors (5269066399).

100112261201 is an equidigital number, since it uses as much as digits as its factorization.

100112261201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269066398.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 100112261201 its reverse (102162211001), we get a palindrome (202274472202).

The spelling of 100112261201 in words is "one hundred billion, one hundred twelve million, two hundred sixty-one thousand, two hundred one".