11221101212101 has 32 divisors (see below), whose sum is σ = 12453549204096. Its totient is φ = 10025739360000.

The previous prime is 11221101212093. The next prime is 11221101212119. The reversal of 11221101212101 is 10121210112211.

It is a cyclic number.

It is not a de Polignac number, because 11221101212101 - 2³ = 11221101212093 is a prime.

It is a super-2 number, since 2×11221101212101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221101212161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109945771 + ... + 110047783.

It is an arithmetic number, because the mean of its divisors is an integer number (389173412628).

Almost surely, 2^{11221101212101} is an apocalyptic number.

11221101212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221101212101 is a deficient number, since it is larger than the sum of its proper divisors (1232447991995).

11221101212101 is a wasteful number, since it uses less digits than its factorization.

11221101212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102853.

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

Adding to 11221101212101 its reverse (10121210112211), we get a palindrome (21342311324312).

The spelling of 11221101212101 in words is "eleven trillion, two hundred twenty-one billion, one hundred one million, two hundred twelve thousand, one hundred one".