112221222201101 has 4 divisors (see below), whose sum is σ = 120853623908892. Its totient is φ = 103588820493312.

The previous prime is 112221222201061. The next prime is 112221222201167. The reversal of 112221222201101 is 101102222122211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8163391837225 + 104057830363876 = 2857165^2 + 10200874^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221222201101 - 2¹⁰ = 112221222200077 is a prime.

It is a super-2 number, since 2×112221222201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221222201001) 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, 4316200853876 + ... + 4316200853901.

It is an arithmetic number, because the mean of its divisors is an integer number (30213405977223).

Almost surely, 2^{112221222201101} is an apocalyptic number.

It is an amenable number.

112221222201101 is a deficient number, since it is larger than the sum of its proper divisors (8632401707791).

112221222201101 is an equidigital number, since it uses as much as digits as its factorization.

112221222201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632401707790.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112221222201101 its reverse (101102222122211), we get a palindrome (213323444323312).

The spelling of 112221222201101 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, one hundred one".