11031221030101 has 8 divisors (see below), whose sum is σ = 11158596820440. Its totient is φ = 10903921450752.

The previous prime is 11031221029931. The next prime is 11031221030119. The reversal of 11031221030101 is 10103012213011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4277844207025 + 6753376823076 = 2068295^2 + 2598726^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11031221030101 - 2³¹ = 11029073546453 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 (11031221037101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18761560 + ... + 19340593.

It is an arithmetic number, because the mean of its divisors is an integer number (1394824602555).

Almost surely, 2^{11031221030101} is an apocalyptic number.

It is an amenable number.

11031221030101 is a deficient number, since it is larger than the sum of its proper divisors (127375790339).

11031221030101 is an equidigital number, since it uses as much as digits as its factorization.

11031221030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38105495.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11031221030101 its reverse (10103012213011), we get a palindrome (21134233243112).

The spelling of 11031221030101 in words is "eleven trillion, thirty-one billion, two hundred twenty-one million, thirty thousand, one hundred one".