22123211202 has 12 divisors (see below), whose sum is σ = 47933624310. Its totient is φ = 7374403728.

The previous prime is 22123211191. The next prime is 22123211213. The reversal of 22123211202 is 20211232122.

22123211202 is a `hidden beast` number, since 221 + 2 + 321 + 120 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22123211191) and next prime (22123211213).

It can be written as a sum of positive squares in only one way, i.e., 17656828641 + 4466382561 = 132879^2 + 66831^2 .

It is a super-3 number, since 3×22123211202³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1229067289 = 22123211202 / (2 + 2 + 1 + 2 + 3 + 2 + 1 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614533627 + ... + 614533662.

Almost surely, 2^22123211202 is an apocalyptic number.

22123211202 is an abundant number, since it is smaller than the sum of its proper divisors (25810413108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123211202 is a wasteful number, since it uses less digits than its factorization.

22123211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229067297 (or 1229067294 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22123211202 its reverse (20211232122), we get a palindrome (42334443324).

The spelling of 22123211202 in words is "twenty-two billion, one hundred twenty-three million, two hundred eleven thousand, two hundred two".