22111223001 has 32 divisors (see below), whose sum is σ = 36190464000. Its totient is φ = 11969974800.

The previous prime is 22111222957. The next prime is 22111223003. The reversal of 22111223001 is 10032211122.

It is not a de Polignac number, because 22111223001 - 2¹¹ = 22111220953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22111223003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545925 + ... + 585026.

It is an arithmetic number, because the mean of its divisors is an integer number (1130952000).

Almost surely, 2^22111223001 is an apocalyptic number.

22111223001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22111223001 is a deficient number, since it is larger than the sum of its proper divisors (14079240999).

22111223001 is a wasteful number, since it uses less digits than its factorization.

22111223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130994 (or 1130980 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22111223001 its reverse (10032211122), we get a palindrome (32143434123).

The spelling of 22111223001 in words is "twenty-two billion, one hundred eleven million, two hundred twenty-three thousand, one".