11221010112109 has 16 divisors (see below), whose sum is σ = 12838522802688. Its totient is φ = 9607126902912.

The previous prime is 11221010112107. The next prime is 11221010112113. The reversal of 11221010112109 is 90121101012211.

It is a happy number.

It is not a de Polignac number, because 11221010112109 - 2¹ = 11221010112107 is a prime.

It is a super-2 number, since 2×11221010112109² (a number of 27 digits) contains 22 as substring.

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 11221010112109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221010112101) 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, 89909419 + ... + 90034135.

It is an arithmetic number, because the mean of its divisors is an integer number (802407675168).

Almost surely, 2^{11221010112109} is an apocalyptic number.

It is an amenable number.

11221010112109 is a deficient number, since it is larger than the sum of its proper divisors (1617512690579).

11221010112109 is a wasteful number, since it uses less digits than its factorization.

11221010112109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139164.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11221010112109 in words is "eleven trillion, two hundred twenty-one billion, ten million, one hundred twelve thousand, one hundred nine".