10122120211 has 16 divisors (see below), whose sum is σ = 12251718400. Its totient is φ = 8169022368.

The previous prime is 10122120121. The next prime is 10122120227. The reversal of 10122120211 is 11202122101.

It is a cyclic number.

It is not a de Polignac number, because 10122120211 - 2¹⁷ = 10121989139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122120191 and 10122120200.

It is not an unprimeable number, because it can be changed into a prime (10122120271) 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, 211776 + ... + 255133.

It is an arithmetic number, because the mean of its divisors is an integer number (765732400).

Almost surely, 2^10122120211 is an apocalyptic number.

10122120211 is a deficient number, since it is larger than the sum of its proper divisors (2129598189).

10122120211 is a wasteful number, since it uses less digits than its factorization.

10122120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467098.

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

Adding to 10122120211 its reverse (11202122101), we get a palindrome (21324242312).

The spelling of 10122120211 in words is "ten billion, one hundred twenty-two million, one hundred twenty thousand, two hundred eleven".