112121100101 has 4 divisors (see below), whose sum is σ = 112223870304. Its totient is φ = 112018329900.

The previous prime is 112121100083. The next prime is 112121100103. The reversal of 112121100101 is 101001121211.

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: 101001121211 = 167 ⋅604797133.

It is a cyclic number.

It is not a de Polignac number, because 112121100101 - 2¹⁸ = 112120837957 is a prime.

It is a super-2 number, since 2×112121100101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121100103) 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, 51383465 + ... + 51385646.

It is an arithmetic number, because the mean of its divisors is an integer number (28055967576).

Almost surely, 2^112121100101 is an apocalyptic number.

It is an amenable number.

112121100101 is a deficient number, since it is larger than the sum of its proper divisors (102770203).

112121100101 is a wasteful number, since it uses less digits than its factorization.

112121100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102770202.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 112121100101 its reverse (101001121211), we get a palindrome (213122221312).

The spelling of 112121100101 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred thousand, one hundred one".