22211323011 has 16 divisors (see below), whose sum is σ = 32909306400. Its totient is φ = 14805909504.

The previous prime is 22211323009. The next prime is 22211323037. The reversal of 22211323011 is 11032311222.

It is not a de Polignac number, because 22211323011 - 2¹ = 22211323009 is a prime.

It is a super-2 number, since 2×22211323011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22211323061) 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, 234115 + ... + 315011.

It is an arithmetic number, because the mean of its divisors is an integer number (2056831650).

Almost surely, 2^22211323011 is an apocalyptic number.

22211323011 is a deficient number, since it is larger than the sum of its proper divisors (10697983389).

22211323011 is a wasteful number, since it uses less digits than its factorization.

22211323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91075 (or 91069 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22211323011 its reverse (11032311222), we get a palindrome (33243634233).

The spelling of 22211323011 in words is "twenty-two billion, two hundred eleven million, three hundred twenty-three thousand, eleven".