11101212021201 has 8 divisors (see below), whose sum is σ = 14819258005440. Its totient is φ = 7391987025552.

The previous prime is 11101212021181. The next prime is 11101212021203. The reversal of 11101212021201 is 10212021210111.

It is a happy number.

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

It is not a de Polignac number, because 11101212021201 - 2¹³ = 11101212013009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101212021203) 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, 2205244210 + ... + 2205249243.

It is an arithmetic number, because the mean of its divisors is an integer number (1852407250680).

Almost surely, 2^{11101212021201} is an apocalyptic number.

It is an amenable number.

11101212021201 is a deficient number, since it is larger than the sum of its proper divisors (3718045984239).

11101212021201 is an equidigital number, since it uses as much as digits as its factorization.

11101212021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410494295.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11101212021201 its reverse (10212021210111), we get a palindrome (21313233231312).

The spelling of 11101212021201 in words is "eleven trillion, one hundred one billion, two hundred twelve million, twenty-one thousand, two hundred one".