201123210422 has 8 divisors (see below), whose sum is σ = 312087740400. Its totient is φ = 97093963624.

The previous prime is 201123210371. The next prime is 201123210439. The reversal of 201123210422 is 224012321102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201123210394 and 201123210403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733820722 + ... + 1733820837.

It is an arithmetic number, because the mean of its divisors is an integer number (39010967550).

Almost surely, 2^201123210422 is an apocalyptic number.

201123210422 is a deficient number, since it is larger than the sum of its proper divisors (110964529978).

201123210422 is a wasteful number, since it uses less digits than its factorization.

201123210422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467641590.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201123210422 its reverse (224012321102), we get a palindrome (425135531524).

The spelling of 201123210422 in words is "two hundred one billion, one hundred twenty-three million, two hundred ten thousand, four hundred twenty-two".