12222101001 has 64 divisors (see below), whose sum is σ = 18566102016. Its totient is φ = 7087584000.

The previous prime is 12222100991. The next prime is 12222101027. The reversal of 12222101001 is 10010122221.

It is not a de Polignac number, because 12222101001 - 2¹⁰ = 12222099977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12222101051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15334735 + ... + 15335531.

It is an arithmetic number, because the mean of its divisors is an integer number (290095344).

Almost surely, 2^12222101001 is an apocalyptic number.

12222101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12222101001 is a deficient number, since it is larger than the sum of its proper divisors (6344001015).

12222101001 is a wasteful number, since it uses less digits than its factorization.

12222101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12222101001 its reverse (10010122221), we get a palindrome (22232223222).

The spelling of 12222101001 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, one".