521412021110 has 16 divisors (see below), whose sum is σ = 938706599376. Its totient is φ = 208528150368.

The previous prime is 521412021077. The next prime is 521412021113. The reversal of 521412021110 is 11120214125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521412021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522484 + ... + 4636343.

It is an arithmetic number, because the mean of its divisors is an integer number (58669162461).

Almost surely, 2^521412021110 is an apocalyptic number.

521412021110 is a deficient number, since it is larger than the sum of its proper divisors (417294578266).

521412021110 is a wasteful number, since it uses less digits than its factorization.

521412021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164527.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 521412021110 its reverse (11120214125), we get a palindrome (532532235235).

The spelling of 521412021110 in words is "five hundred twenty-one billion, four hundred twelve million, twenty-one thousand, one hundred ten".