202121143433 has 12 divisors (see below), whose sum is σ = 222249996864. Its totient is φ = 183677201400.

The previous prime is 202121143363. The next prime is 202121143447. The reversal of 202121143433 is 334341121202.

It is not a de Polignac number, because 202121143433 - 2¹⁰ = 202121142409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202121113433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8588 + ... + 635858.

It is an arithmetic number, because the mean of its divisors is an integer number (18520833072).

Almost surely, 2^202121143433 is an apocalyptic number.

It is an amenable number.

202121143433 is a deficient number, since it is larger than the sum of its proper divisors (20128853431).

202121143433 is a wasteful number, since it uses less digits than its factorization.

202121143433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629956 (or 629945 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 202121143433 its reverse (334341121202), we get a palindrome (536462264635).

The spelling of 202121143433 in words is "two hundred two billion, one hundred twenty-one million, one hundred forty-three thousand, four hundred thirty-three".