20210112311 has 8 divisors (see below), whose sum is σ = 20249398800. Its totient is φ = 20170865088.

The previous prime is 20210112277. The next prime is 20210112313. The reversal of 20210112311 is 11321101202.

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 20210112311 - 2¹⁰ = 20210111287 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 (20210112313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149515 + ... + 1166963.

It is an arithmetic number, because the mean of its divisors is an integer number (2531174850).

Almost surely, 2^20210112311 is an apocalyptic number.

20210112311 is a deficient number, since it is larger than the sum of its proper divisors (39286489).

20210112311 is a wasteful number, since it uses less digits than its factorization.

20210112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19633.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20210112311 its reverse (11321101202), we get a palindrome (31531213513).

It can be divided in two parts, 202101 and 12311, that added together give a palindrome (214412).

The spelling of 20210112311 in words is "twenty billion, two hundred ten million, one hundred twelve thousand, three hundred eleven".