201223321044402 has 16 divisors (see below), whose sum is σ = 402446842771392. Its totient is φ = 67074406901040.

The previous prime is 201223321044367. The next prime is 201223321044409. The reversal of 201223321044402 is 204440123322102.

It is a self number, because there is not a number n which added to its sum of digits gives 201223321044402.

It is not an unprimeable number, because it can be changed into a prime (201223321044409) 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, 6783363 + ... + 21176889.

It is an arithmetic number, because the mean of its divisors is an integer number (25152927673212).

Almost surely, 2^{201223321044402} is an apocalyptic number.

201223321044402 is an abundant number, since it is smaller than the sum of its proper divisors (201223521726990).

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

201223321044402 is a wasteful number, since it uses less digits than its factorization.

201223321044402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16723553.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 201223321044402 its reverse (204440123322102), we get a palindrome (405663444366504).

The spelling of 201223321044402 in words is "two hundred one trillion, two hundred twenty-three billion, three hundred twenty-one million, forty-four thousand, four hundred two".