211020126 has 16 divisors (see below), whose sum is σ = 424631424. Its totient is φ = 69908184.

The previous prime is 211020119. The next prime is 211020127. The reversal of 211020126 is 621020112.

211020126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020127) 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, 106906 + ... + 108861.

It is an arithmetic number, because the mean of its divisors is an integer number (26539464).

Almost surely, 2^211020126 is an apocalyptic number.

211020126 is an abundant number, since it is smaller than the sum of its proper divisors (213611298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020126 is a wasteful number, since it uses less digits than its factorization.

211020126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215935.

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

The square root of 211020126 is about 14526.5317953048. The cubic root of 211020126 is about 595.3531091414.

Adding to 211020126 its reverse (621020112), we get a palindrome (832040238).

The spelling of 211020126 in words is "two hundred eleven million, twenty thousand, one hundred twenty-six".