11321210101 has 4 divisors (see below), whose sum is σ = 11322612972. Its totient is φ = 11319807232.

The previous prime is 11321210071. The next prime is 11321210113. The reversal of 11321210101 is 10101212311.

It is a happy number.

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 6221107876 + 5100102225 = 78874^2 + 71415^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321210101 - 2⁷ = 11321209973 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 (11321211101) 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, 689260 + ... + 705493.

It is an arithmetic number, because the mean of its divisors is an integer number (2830653243).

Almost surely, 2^11321210101 is an apocalyptic number.

It is an amenable number.

11321210101 is a deficient number, since it is larger than the sum of its proper divisors (1402871).

11321210101 is an equidigital number, since it uses as much as digits as its factorization.

11321210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402870.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11321210101 its reverse (10101212311), we get a palindrome (21422422412).

The spelling of 11321210101 in words is "eleven billion, three hundred twenty-one million, two hundred ten thousand, one hundred one".