20210112213 has 32 divisors (see below), whose sum is σ = 29072736000. Its totient is φ = 12454903296.

The previous prime is 20210112173. The next prime is 20210112217. The reversal of 20210112213 is 31221101202.

It is not a de Polignac number, because 20210112213 - 2¹² = 20210108117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20210112192 and 20210112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210112217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353833 + ... + 406961.

It is an arithmetic number, because the mean of its divisors is an integer number (908523000).

Almost surely, 2^20210112213 is an apocalyptic number.

20210112213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20210112213 is a deficient number, since it is larger than the sum of its proper divisors (8862623787).

20210112213 is a wasteful number, since it uses less digits than its factorization.

20210112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53341.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20210112213 its reverse (31221101202), we get a palindrome (51431213415).

The spelling of 20210112213 in words is "twenty billion, two hundred ten million, one hundred twelve thousand, two hundred thirteen".