211020010124 has 96 divisors (see below), whose sum is σ = 487720590336. Its totient is φ = 77342791680.

The previous prime is 211020010121. The next prime is 211020010181. The reversal of 211020010124 is 421010020112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 211020010099 and 211020010108.

It is not an unprimeable number, because it can be changed into a prime (211020010121) 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, 12678512 + ... + 12695144.

It is an arithmetic number, because the mean of its divisors is an integer number (5080422816).

Almost surely, 2^211020010124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211020010124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243860295168).

211020010124 is an abundant number, since it is smaller than the sum of its proper divisors (276700580212).

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

211020010124 is a wasteful number, since it uses less digits than its factorization.

211020010124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19095 (or 19093 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211020010124 its reverse (421010020112), we get a palindrome (632030030236).

The spelling of 211020010124 in words is "two hundred eleven billion, twenty million, ten thousand, one hundred twenty-four".