11220102101 has 32 divisors (see below), whose sum is σ = 12533431680. Its totient is φ = 9978764544.

The previous prime is 11220102083. The next prime is 11220102139. The reversal of 11220102101 is 10120102211.

It is a cyclic number.

It is not a de Polignac number, because 11220102101 - 2¹⁴ = 11220085717 is a prime.

It is a super-2 number, since 2×11220102101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220102191) 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, 15306731 + ... + 15307463.

It is an arithmetic number, because the mean of its divisors is an integer number (391669740).

Almost surely, 2^11220102101 is an apocalyptic number.

It is an amenable number.

11220102101 is a deficient number, since it is larger than the sum of its proper divisors (1313329579).

11220102101 is a wasteful number, since it uses less digits than its factorization.

11220102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11220102101 its reverse (10120102211), we get a palindrome (21340204312).

The spelling of 11220102101 in words is "eleven billion, two hundred twenty million, one hundred two thousand, one hundred one".