11020220021201 has 4 divisors (see below), whose sum is σ = 11068767246192. Its totient is φ = 10971672796212.

The previous prime is 11020220021131. The next prime is 11020220021207. The reversal of 11020220021201 is 10212002202011.

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 a de Polignac number, because none of the positive numbers 2^k-11020220021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020220021207) 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, 24273612155 + ... + 24273612608.

It is an arithmetic number, because the mean of its divisors is an integer number (2767191811548).

Almost surely, 2^{11020220021201} is an apocalyptic number.

It is an amenable number.

11020220021201 is a deficient number, since it is larger than the sum of its proper divisors (48547224991).

11020220021201 is an equidigital number, since it uses as much as digits as its factorization.

11020220021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547224990.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11020220021201 its reverse (10212002202011), we get a palindrome (21232222223212).

The spelling of 11020220021201 in words is "eleven trillion, twenty billion, two hundred twenty million, twenty-one thousand, two hundred one".