22101220001 has 8 divisors (see below), whose sum is σ = 25259520000. Its totient is φ = 18943165728.

The previous prime is 22101219989. The next prime is 22101220069. The reversal of 22101220001 is 10002210122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101220091) 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 7 ways as a sum of consecutive naturals, for example, 213125 + ... + 299373.

It is an arithmetic number, because the mean of its divisors is an integer number (3157440000).

Almost surely, 2^22101220001 is an apocalyptic number.

It is an amenable number.

22101220001 is a deficient number, since it is larger than the sum of its proper divisors (3158299999).

22101220001 is an equidigital number, since it uses as much as digits as its factorization.

22101220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122863.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101220001 its reverse (10002210122), we get a palindrome (32103430123).

The spelling of 22101220001 in words is "twenty-two billion, one hundred one million, two hundred twenty thousand, one".