211211410124 has 144 divisors (see below), whose sum is σ = 462828789696. Its totient is φ = 83601745920.

The previous prime is 211211410121. The next prime is 211211410127. The reversal of 211211410124 is 421014112112.

211211410124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211211410121) and next prime (211211410127).

It is a super-2 number, since 2×211211410124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211410096 and 211211410105.

It is not an unprimeable number, because it can be changed into a prime (211211410121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10554272 + ... + 10574264.

Almost surely, 2^211211410124 is an apocalyptic number.

It is an amenable number.

211211410124 is an abundant number, since it is smaller than the sum of its proper divisors (251617379572).

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

211211410124 is a wasteful number, since it uses less digits than its factorization.

211211410124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20128 (or 20115 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211211410124 its reverse (421014112112), we get a palindrome (632225522236).

The spelling of 211211410124 in words is "two hundred eleven billion, two hundred eleven million, four hundred ten thousand, one hundred twenty-four".