11222212212101 has 16 divisors (see below), whose sum is σ = 12537760991616. Its totient is φ = 9958733400000.

The previous prime is 11222212212073. The next prime is 11222212212119. The reversal of 11222212212101 is 10121221222211.

It is not a de Polignac number, because 11222212212101 - 2²⁶ = 11222145103237 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 (11222212212121) 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, 71054930 + ... + 71212691.

It is an arithmetic number, because the mean of its divisors is an integer number (783610061976).

Almost surely, 2^{11222212212101} is an apocalyptic number.

11222212212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222212212101 is a deficient number, since it is larger than the sum of its proper divisors (1315548779515).

11222212212101 is a wasteful number, since it uses less digits than its factorization.

11222212212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142267804.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222212212101 its reverse (10121221222211), we get a palindrome (21343433434312).

The spelling of 11222212212101 in words is "eleven trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, one hundred one".