202011211331 has 8 divisors (see below), whose sum is σ = 209874019680. Its totient is φ = 194208196672.

The previous prime is 202011211271. The next prime is 202011211349. The reversal of 202011211331 is 133112110202.

202011211331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-202011211331 is a prime.

It is a super-2 number, since 2×202011211331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202011211631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14941535 + ... + 14955048.

It is an arithmetic number, because the mean of its divisors is an integer number (26234252460).

Almost surely, 2^202011211331 is an apocalyptic number.

202011211331 is a deficient number, since it is larger than the sum of its proper divisors (7862808349).

202011211331 is a wasteful number, since it uses less digits than its factorization.

202011211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29896845.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 202011211331 its reverse (133112110202), we get a palindrome (335123321533).

The spelling of 202011211331 in words is "two hundred two billion, eleven million, two hundred eleven thousand, three hundred thirty-one".