112221201001 has 16 divisors (see below), whose sum is σ = 138233538688. Its totient is φ = 88716384000.

The previous prime is 112221200999. The next prime is 112221201007. The reversal of 112221201001 is 100102122211.

112221201001 = T₃₅₈ + T₃₅₉ + ... + T₈₇₆₄.

It is a cyclic number.

It is not a de Polignac number, because 112221201001 - 2¹ = 112221200999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (112221201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404115 + ... + 622696.

It is an arithmetic number, because the mean of its divisors is an integer number (8639596168).

Almost surely, 2^112221201001 is an apocalyptic number.

It is an amenable number.

112221201001 is a deficient number, since it is larger than the sum of its proper divisors (26012337687).

112221201001 is a wasteful number, since it uses less digits than its factorization.

112221201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028032.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112221201001 its reverse (100102122211), we get a palindrome (212323323212).

The spelling of 112221201001 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred one thousand, one".