211141330240 has 56 divisors (see below), whose sum is σ = 504204869160. Its totient is φ = 84217233408.

The previous prime is 211141330219. The next prime is 211141330259. The reversal of 211141330240 is 42033141112.

It can be written as a sum of positive squares in 4 ways, for example, as 1933888576 + 209207441664 = 43976^2 + 457392^2 .

It is a super-2 number, since 2×211141330240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821625 + ... + 1047544.

Almost surely, 2^211141330240 is an apocalyptic number.

211141330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211141330240 is an abundant number, since it is smaller than the sum of its proper divisors (293063538920).

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

211141330240 is a wasteful number, since it uses less digits than its factorization.

211141330240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869539 (or 1869529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211141330240 its reverse (42033141112), we get a palindrome (253174471352).

The spelling of 211141330240 in words is "two hundred eleven billion, one hundred forty-one million, three hundred thirty thousand, two hundred forty".