22200123011 has 8 divisors (see below), whose sum is σ = 24418468848. Its totient is φ = 20181928800.

The previous prime is 22200122981. The next prime is 22200123041. The reversal of 22200123011 is 11032100222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22200122981) and next prime (22200123041).

It is a de Polignac number, because none of the positive numbers 2^k-22200123011 is a prime.

It is a super-2 number, since 2×22200123011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22200123041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8338310 + ... + 8340971.

It is an arithmetic number, because the mean of its divisors is an integer number (3052308606).

Almost surely, 2^22200123011 is an apocalyptic number.

22200123011 is a deficient number, since it is larger than the sum of its proper divisors (2218345837).

22200123011 is an equidigital number, since it uses as much as digits as its factorization.

22200123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16679314 (or 16679292 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22200123011 its reverse (11032100222), we get a palindrome (33232223233).

The spelling of 22200123011 in words is "twenty-two billion, two hundred million, one hundred twenty-three thousand, eleven".