11021020210 has 8 divisors (see below), whose sum is σ = 19837836396. Its totient is φ = 4408408080.

The previous prime is 11021020201. The next prime is 11021020229. The reversal of 11021020210 is 1202012011.

It can be written as a sum of positive squares in 2 ways, for example, as 9552521169 + 1468499041 = 97737^2 + 38321^2 .

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: 1102102021 = 11021020210 / (1 + 1 + 0 + 2 + 1 + 0 + 2 + 0 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551051001 + ... + 551051020.

Almost surely, 2^11021020210 is an apocalyptic number.

11021020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021020210 is a deficient number, since it is larger than the sum of its proper divisors (8816816186).

11021020210 is a wasteful number, since it uses less digits than its factorization.

11021020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102102028.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11021020210 its reverse (1202012011), we get a palindrome (12223032221).

The spelling of 11021020210 in words is "eleven billion, twenty-one million, twenty thousand, two hundred ten".