11020121213201 has 8 divisors (see below), whose sum is σ = 11476278104064. Its totient is φ = 10570256141760.

The previous prime is 11020121213119. The next prime is 11020121213221. The reversal of 11020121213201 is 10231212102011.

It is a happy number.

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 11020121213201 - 2³⁸ = 10745243306257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020121213201.

It is not an unprimeable number, because it can be changed into a prime (11020121213221) 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, 1572951281 + ... + 1572958286.

It is an arithmetic number, because the mean of its divisors is an integer number (1434534763008).

Almost surely, 2^{11020121213201} is an apocalyptic number.

It is an amenable number.

11020121213201 is a deficient number, since it is larger than the sum of its proper divisors (456156890863).

11020121213201 is a wasteful number, since it uses less digits than its factorization.

11020121213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145909711.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11020121213201 its reverse (10231212102011), we get a palindrome (21251333315212).

The spelling of 11020121213201 in words is "eleven trillion, twenty billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred one".