22110211102013 has 4 divisors (see below), whose sum is σ = 22258601780700. Its totient is φ = 21961820423328.

The previous prime is 22110211101977. The next prime is 22110211102159. The reversal of 22110211102013 is 31020111201122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1125218142169 + 20984992959844 = 1060763^2 + 4580938^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110211102013 - 2²² = 22110206907709 is a prime.

It is a super-2 number, since 2×22110211102013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110211101982 and 22110211102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110211102613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74195339120 + ... + 74195339417.

It is an arithmetic number, because the mean of its divisors is an integer number (5564650445175).

Almost surely, 2^{22110211102013} is an apocalyptic number.

It is an amenable number.

22110211102013 is a deficient number, since it is larger than the sum of its proper divisors (148390678687).

22110211102013 is a wasteful number, since it uses less digits than its factorization.

22110211102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148390678686.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22110211102013 its reverse (31020111201122), we get a palindrome (53130322303135).

The spelling of 22110211102013 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred two thousand, thirteen".