211421145010 has 32 divisors (see below), whose sum is σ = 386854239744. Its totient is φ = 83169720000.

The previous prime is 211421144947. The next prime is 211421145017. The reversal of 211421145010 is 10541124112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211421145017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828315 + ... + 4871905.

It is an arithmetic number, because the mean of its divisors is an integer number (12089194992).

Almost surely, 2^211421145010 is an apocalyptic number.

211421145010 is a deficient number, since it is larger than the sum of its proper divisors (175433094734).

211421145010 is a wasteful number, since it uses less digits than its factorization.

211421145010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 211421145010 its reverse (10541124112), we get a palindrome (221962269122).

The spelling of 211421145010 in words is "two hundred eleven billion, four hundred twenty-one million, one hundred forty-five thousand, ten".