22100212001 has 16 divisors (see below), whose sum is σ = 26200957440. Its totient is φ = 18247057920.

The previous prime is 22100211941. The next prime is 22100212003. The reversal of 22100212001 is 10021200122.

It is a happy number.

It is not a de Polignac number, because 22100212001 - 2⁶ = 22100211937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22100212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464696 + ... + 510041.

It is an arithmetic number, because the mean of its divisors is an integer number (1637559840).

Almost surely, 2^22100212001 is an apocalyptic number.

It is an amenable number.

22100212001 is a deficient number, since it is larger than the sum of its proper divisors (4100745439).

22100212001 is an equidigital number, since it uses as much as digits as its factorization.

22100212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974864.

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

Adding to 22100212001 its reverse (10021200122), we get a palindrome (32121412123).

It can be divided in two parts, 22 and 100212001, that multiplied together give a palindrome (2204664022).

The spelling of 22100212001 in words is "twenty-two billion, one hundred million, two hundred twelve thousand, one".