202111130311 has 12 divisors (see below), whose sum is σ = 210242925000. Its totient is φ = 194278584720.

The previous prime is 202111130231. The next prime is 202111130339. The reversal of 202111130311 is 113031111202.

It is a happy number.

It is not a de Polignac number, because 202111130311 - 2¹⁵ = 202111097543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111130411) 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, 562561 + ... + 848938.

It is an arithmetic number, because the mean of its divisors is an integer number (17520243750).

Almost surely, 2^202111130311 is an apocalyptic number.

202111130311 is a deficient number, since it is larger than the sum of its proper divisors (8131794689).

202111130311 is a wasteful number, since it uses less digits than its factorization.

202111130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411710 (or 1411679 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 202111130311 its reverse (113031111202), we get a palindrome (315142241513).

The spelling of 202111130311 in words is "two hundred two billion, one hundred eleven million, one hundred thirty thousand, three hundred eleven".