11101020212222 has 16 divisors (see below), whose sum is σ = 17057810794752. Its totient is φ = 5415085591680.

The previous prime is 11101020212221. The next prime is 11101020212339. The reversal of 11101020212222 is 22221202010111.

It is a super-2 number, since 2×11101020212222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11101020212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101020212221) 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, 10338083 + ... + 11361249.

It is an arithmetic number, because the mean of its divisors is an integer number (1066113174672).

Almost surely, 2^{11101020212222} is an apocalyptic number.

11101020212222 is a deficient number, since it is larger than the sum of its proper divisors (5956790582530).

11101020212222 is a wasteful number, since it uses less digits than its factorization.

11101020212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155523.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11101020212222 its reverse (22221202010111), we get a palindrome (33322222222333).

The spelling of 11101020212222 in words is "eleven trillion, one hundred one billion, twenty million, two hundred twelve thousand, two hundred twenty-two".