11222221220102 has 64 divisors (see below), whose sum is σ = 18197092454400. Its totient is φ = 5171335488000.

The previous prime is 11222221220099. The next prime is 11222221220107. The reversal of 11222221220102 is 20102212222211.

It is a super-2 number, since 2×11222221220102² (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 (11222221220107) 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, 673958477 + ... + 673975127.

It is an arithmetic number, because the mean of its divisors is an integer number (284329569600).

Almost surely, 2^{11222221220102} is an apocalyptic number.

11222221220102 is a deficient number, since it is larger than the sum of its proper divisors (6974871234298).

11222221220102 is a wasteful number, since it uses less digits than its factorization.

11222221220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11222221220102 its reverse (20102212222211), we get a palindrome (31324433442313).

The spelling of 11222221220102 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred two".