20210112211 has 8 divisors (see below), whose sum is σ = 20273416704. Its totient is φ = 20146863360.

The previous prime is 20210112173. The next prime is 20210112217. The reversal of 20210112211 is 11221101202.

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 20210112211 - 2¹¹ = 20210110163 is a prime.

It is a super-2 number, since 2×20210112211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210112191 and 20210112200.

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 7 ways as a sum of consecutive naturals, for example, 784345 + ... + 809701.

It is an arithmetic number, because the mean of its divisors is an integer number (2534177088).

Almost surely, 2^20210112211 is an apocalyptic number.

20210112211 is a deficient number, since it is larger than the sum of its proper divisors (63304493).

20210112211 is a wasteful number, since it uses less digits than its factorization.

20210112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27821.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20210112211 its reverse (11221101202), we get a palindrome (31431213413).

The spelling of 20210112211 in words is "twenty billion, two hundred ten million, one hundred twelve thousand, two hundred eleven".