11021010101201 has 4 divisors (see below), whose sum is σ = 11201682398004. Its totient is φ = 10840337804400.

The previous prime is 11021010101119. The next prime is 11021010101203. The reversal of 11021010101201 is 10210101012011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1382562078976 + 9638448022225 = 1175824^2 + 3104585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021010101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021010101203) 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, 90336148310 + ... + 90336148431.

It is an arithmetic number, because the mean of its divisors is an integer number (2800420599501).

Almost surely, 2^{11021010101201} is an apocalyptic number.

It is an amenable number.

11021010101201 is a deficient number, since it is larger than the sum of its proper divisors (180672296803).

11021010101201 is an equidigital number, since it uses as much as digits as its factorization.

11021010101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180672296802.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11021010101201 its reverse (10210101012011), we get a palindrome (21231111113212).

The spelling of 11021010101201 in words is "eleven trillion, twenty-one billion, ten million, one hundred one thousand, two hundred one".