20202101311 has 16 divisors (see below), whose sum is σ = 23382515200. Its totient is φ = 17096414688.

The previous prime is 20202101299. The next prime is 20202101393. The reversal of 20202101311 is 11310120202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202101311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20202101291 and 20202101300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202104311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169150 + ... + 262708.

It is an arithmetic number, because the mean of its divisors is an integer number (1461407200).

Almost surely, 2^20202101311 is an apocalyptic number.

20202101311 is a deficient number, since it is larger than the sum of its proper divisors (3180413889).

20202101311 is a wasteful number, since it uses less digits than its factorization.

20202101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93958.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20202101311 its reverse (11310120202), we get a palindrome (31512221513).

The spelling of 20202101311 in words is "twenty billion, two hundred two million, one hundred one thousand, three hundred eleven".