22110211220001 has 4 divisors (see below), whose sum is σ = 29480281626672. Its totient is φ = 14740140813332.

The previous prime is 22110211219963. The next prime is 22110211220023. The reversal of 22110211220001 is 10002211201122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22110211220001 - 2⁶ = 22110211219937 is a prime.

It is a super-2 number, since 2×22110211220001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22110211210001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685035203331 + ... + 3685035203336.

It is an arithmetic number, because the mean of its divisors is an integer number (7370070406668).

Almost surely, 2^{22110211220001} is an apocalyptic number.

It is an amenable number.

22110211220001 is a deficient number, since it is larger than the sum of its proper divisors (7370070406671).

22110211220001 is an equidigital number, since it uses as much as digits as its factorization.

22110211220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370070406670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110211220001 its reverse (10002211201122), we get a palindrome (32112422421123).

The spelling of 22110211220001 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, two hundred twenty thousand, one".