11011111220022 has 16 divisors (see below), whose sum is σ = 22534367148480. Its totient is φ = 3585012955272.

The previous prime is 11011111220009. The next prime is 11011111220027. The reversal of 11011111220022 is 22002211111011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11011111219983 and 11011111220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011111220027) 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, 21339362572 + ... + 21339363087.

It is an arithmetic number, because the mean of its divisors is an integer number (1408397946780).

Almost surely, 2^{11011111220022} is an apocalyptic number.

11011111220022 is an abundant number, since it is smaller than the sum of its proper divisors (11523255928458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011111220022 is a wasteful number, since it uses less digits than its factorization.

11011111220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42678725707.

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

Adding to 11011111220022 its reverse (22002211111011), we get a palindrome (33013322331033).

The spelling of 11011111220022 in words is "eleven trillion, eleven billion, one hundred eleven million, two hundred twenty thousand, twenty-two".