11201212101001 has 16 divisors (see below), whose sum is σ = 12179770545600. Its totient is φ = 10239423985728.

The previous prime is 11201212100989. The next prime is 11201212101043. The reversal of 11201212101001 is 10010121210211.

It is a happy number.

11201212101001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11201212101001 - 2⁹ = 11201212100489 is a prime.

It is a super-2 number, since 2×11201212101001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201212101301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2662330 + ... + 5430508.

It is an arithmetic number, because the mean of its divisors is an integer number (761235659100).

Almost surely, 2^{11201212101001} is an apocalyptic number.

It is an amenable number.

11201212101001 is a deficient number, since it is larger than the sum of its proper divisors (978558444599).

11201212101001 is a wasteful number, since it uses less digits than its factorization.

11201212101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771208.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11201212101001 its reverse (10010121210211), we get a palindrome (21211333311212).

The spelling of 11201212101001 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, one".