202021131121334 has 48 divisors (see below), whose sum is σ = 367944062724576. Its totient is φ = 82791024624000.

The previous prime is 202021131121279. The next prime is 202021131121349. The reversal of 202021131121334 is 433121131120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6135407 + ... + 21016314.

It is an arithmetic number, because the mean of its divisors is an integer number (7665501306762).

Almost surely, 2^{202021131121334} is an apocalyptic number.

202021131121334 is a deficient number, since it is larger than the sum of its proper divisors (165922931603242).

202021131121334 is a wasteful number, since it uses less digits than its factorization.

202021131121334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155061 (or 27155054 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 202021131121334 its reverse (433121131120202), we get a palindrome (635142262241536).

The spelling of 202021131121334 in words is "two hundred two trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty-four".