1021001110210 has 8 divisors (see below), whose sum is σ = 1837801998396. Its totient is φ = 408400444080.

The previous prime is 1021001110193. The next prime is 1021001110253. The reversal of 1021001110210 is 120111001201.

It can be written as a sum of positive squares in 2 ways, for example, as 1020538387089 + 462723121 = 1010217^2 + 21511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 102100111021 = 1021001110210 / (1 + 0 + 2 + 1 + 0 + 0 + 1 + 1 + 1 + 0 + 2 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51050055501 + ... + 51050055520.

Almost surely, 2^{1021001110210} is an apocalyptic number.

1021001110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021001110210 is a deficient number, since it is larger than the sum of its proper divisors (816800888186).

1021001110210 is a wasteful number, since it uses less digits than its factorization.

1021001110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102100111028.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021001110210 its reverse (120111001201), we get a palindrome (1141112111411).

The spelling of 1021001110210 in words is "one trillion, twenty-one billion, one million, one hundred ten thousand, two hundred ten".