201123232222 has 32 divisors (see below), whose sum is σ = 352385652960. Its totient is φ = 85075246080.

The previous prime is 201123232213. The next prime is 201123232319. The reversal of 201123232222 is 222232321102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 201123232193 and 201123232202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2987853 + ... + 3054424.

It is an arithmetic number, because the mean of its divisors is an integer number (11012051655).

Almost surely, 2^201123232222 is an apocalyptic number.

201123232222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201123232222 is a deficient number, since it is larger than the sum of its proper divisors (151262420738).

201123232222 is a wasteful number, since it uses less digits than its factorization.

201123232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042396.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201123232222 its reverse (222232321102), we get a palindrome (423355553324).

The spelling of 201123232222 in words is "two hundred one billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty-two".