221012130001 has 8 divisors (see below), whose sum is σ = 240880691520. Its totient is φ = 201553229712.

The previous prime is 221012129981. The next prime is 221012130013. The reversal of 221012130001 is 100031210122.

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 221012130001 - 2¹³ = 221012121809 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221012130091) 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, 102414181 + ... + 102416338.

It is an arithmetic number, because the mean of its divisors is an integer number (30110086440).

Almost surely, 2^221012130001 is an apocalyptic number.

It is an amenable number.

221012130001 is a deficient number, since it is larger than the sum of its proper divisors (19868561519).

221012130001 is a wasteful number, since it uses less digits than its factorization.

221012130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204830615.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221012130001 its reverse (100031210122), we get a palindrome (321043340123).

The spelling of 221012130001 in words is "two hundred twenty-one billion, twelve million, one hundred thirty thousand, one".