20102101311 has 16 divisors (see below), whose sum is σ = 27709349888. Its totient is φ = 12949437600.

The previous prime is 20102101291. The next prime is 20102101319. The reversal of 20102101311 is 11310120102.

It is not a de Polignac number, because 20102101311 - 2¹⁵ = 20102068543 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 (20102101319) 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, 102031 + ... + 224976.

It is an arithmetic number, because the mean of its divisors is an integer number (1731834368).

Almost surely, 2^20102101311 is an apocalyptic number.

20102101311 is a deficient number, since it is larger than the sum of its proper divisors (7607248577).

20102101311 is a wasteful number, since it uses less digits than its factorization.

20102101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327702.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 20102101311 its reverse (11310120102), we get a palindrome (31412221413).

The spelling of 20102101311 in words is "twenty billion, one hundred two million, one hundred one thousand, three hundred eleven".