12221176221001 has 8 divisors (see below), whose sum is σ = 13469637523104. Its totient is φ = 10995622465920.

The previous prime is 12221176220993. The next prime is 12221176221019. The reversal of 12221176221001 is 10012267112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221176221001 - 2³ = 12221176220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221176221041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5726885635 + ... + 5726887768.

It is an arithmetic number, because the mean of its divisors is an integer number (1683704690388).

Almost surely, 2^{12221176221001} is an apocalyptic number.

12221176221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12221176221001 is a deficient number, since it is larger than the sum of its proper divisors (1248461302103).

12221176221001 is a wasteful number, since it uses less digits than its factorization.

12221176221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453773511.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 12221176221001 in words is "twelve trillion, two hundred twenty-one billion, one hundred seventy-six million, two hundred twenty-one thousand, one".