201433422021 has 32 divisors (see below), whose sum is σ = 294153350400. Its totient is φ = 121862361600.

The previous prime is 201433422011. The next prime is 201433422103. The reversal of 201433422021 is 120224334102.

It is a happy number.

It is not a de Polignac number, because 201433422021 - 2¹¹ = 201433419973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201433421982 and 201433422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201433422011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862161 + ... + 1070601.

It is an arithmetic number, because the mean of its divisors is an integer number (9192292200).

Almost surely, 2^201433422021 is an apocalyptic number.

It is an amenable number.

201433422021 is a deficient number, since it is larger than the sum of its proper divisors (92719928379).

201433422021 is a wasteful number, since it uses less digits than its factorization.

201433422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208877.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201433422021 its reverse (120224334102), we get a palindrome (321657756123).

The spelling of 201433422021 in words is "two hundred one billion, four hundred thirty-three million, four hundred twenty-two thousand, twenty-one".