211004040331420 has 96 divisors (see below), whose sum is σ = 521283821159808. Its totient is φ = 70247511539712.

The previous prime is 211004040331411. The next prime is 211004040331421. The reversal of 211004040331420 is 24133040400112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211004040331421) 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, 145863777 + ... + 147303256.

It is an arithmetic number, because the mean of its divisors is an integer number (5430039803748).

Almost surely, 2^{211004040331420} is an apocalyptic number.

211004040331420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211004040331420 is an abundant number, since it is smaller than the sum of its proper divisors (310279780828388).

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

211004040331420 is a wasteful number, since it uses less digits than its factorization.

211004040331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293167199 (or 293167197 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211004040331420 its reverse (24133040400112), we get a palindrome (235137080731532).

The spelling of 211004040331420 in words is "two hundred eleven trillion, four billion, forty million, three hundred thirty-one thousand, four hundred twenty".