202020311133311 has 8 divisors (see below), whose sum is σ = 221164542355584. Its totient is φ = 183005871309720.

The previous prime is 202020311133301. The next prime is 202020311133331. The reversal of 202020311133311 is 113331113020202.

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

It is a cyclic number.

It is not a de Polignac number, because 202020311133311 - 2¹⁴ = 202020311116927 is a prime.

It is a super-2 number, since 2×202020311133311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020311133301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32447846411 + ... + 32447852636.

It is an arithmetic number, because the mean of its divisors is an integer number (27645567794448).

Almost surely, 2^{202020311133311} is an apocalyptic number.

202020311133311 is a deficient number, since it is larger than the sum of its proper divisors (19144231222273).

202020311133311 is a wasteful number, since it uses less digits than its factorization.

202020311133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64895699341.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 202020311133311 its reverse (113331113020202), we get a palindrome (315351424153513).

The spelling of 202020311133311 in words is "two hundred two trillion, twenty billion, three hundred eleven million, one hundred thirty-three thousand, three hundred eleven".