211010021424 has 60 divisors (see below), whose sum is σ = 606495410976. Its totient is φ = 68435680896.

The previous prime is 211010021423. The next prime is 211010021437. The reversal of 211010021424 is 424120010112.

211010021424 is a `hidden beast` number, since 211 + 0 + 10 + 0 + 21 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211010021397 and 211010021406.

It is not an unprimeable number, because it can be changed into a prime (211010021423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19796664 + ... + 19807319.

Almost surely, 2^211010021424 is an apocalyptic number.

211010021424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211010021424 is an abundant number, since it is smaller than the sum of its proper divisors (395485389552).

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

211010021424 is a wasteful number, since it uses less digits than its factorization.

211010021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39604034 (or 39604025 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211010021424 its reverse (424120010112), we get a palindrome (635130031536).

The spelling of 211010021424 in words is "two hundred eleven billion, ten million, twenty-one thousand, four hundred twenty-four".