11021220210101 has 4 divisors (see below), whose sum is σ = 11024799693600. Its totient is φ = 11017640726604.

The previous prime is 11021220210097. The next prime is 11021220210103. The reversal of 11021220210101 is 10101202212011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11021220210101 - 2² = 11021220210097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021220210103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789737131 + ... + 1789743288.

It is an arithmetic number, because the mean of its divisors is an integer number (2756199923400).

Almost surely, 2^{11021220210101} is an apocalyptic number.

It is an amenable number.

11021220210101 is a deficient number, since it is larger than the sum of its proper divisors (3579483499).

11021220210101 is an equidigital number, since it uses as much as digits as its factorization.

11021220210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579483498.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11021220210101 its reverse (10101202212011), we get a palindrome (21122422422112).

The spelling of 11021220210101 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred ten thousand, one hundred one".