210421404111110 has 128 divisors (see below), whose sum is σ = 413622643968000. Its totient is φ = 76768733809152.

The previous prime is 210421404111097. The next prime is 210421404111133. The reversal of 210421404111110 is 11111404124012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3722070404 + ... + 3722126936.

It is an arithmetic number, because the mean of its divisors is an integer number (3231426906000).

Almost surely, 2^{210421404111110} is an apocalyptic number.

210421404111110 is a deficient number, since it is larger than the sum of its proper divisors (203201239856890).

210421404111110 is a wasteful number, since it uses less digits than its factorization.

210421404111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58510.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 210421404111110 its reverse (11111404124012), we get a palindrome (221532808235122).

The spelling of 210421404111110 in words is "two hundred ten trillion, four hundred twenty-one billion, four hundred four million, one hundred eleven thousand, one hundred ten".