1111220122101 has 8 divisors (see below), whose sum is σ = 1521670797984. Its totient is φ = 720791430480.

The previous prime is 1111220122081. The next prime is 1111220122171. The reversal of 1111220122101 is 1012210221111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111220122101 - 2⁶ = 1111220122037 is a prime.

It is a super-2 number, since 2×1111220122101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220122171) 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, 5005495935 + ... + 5005496156.

It is an arithmetic number, because the mean of its divisors is an integer number (190208849748).

Almost surely, 2^{1111220122101} is an apocalyptic number.

It is an amenable number.

1111220122101 is a deficient number, since it is larger than the sum of its proper divisors (410450675883).

1111220122101 is a wasteful number, since it uses less digits than its factorization.

1111220122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010992131.

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

Adding to 1111220122101 its reverse (1012210221111), we get a palindrome (2123430343212).

It can be divided in two parts, 1111220 and 122101, that added together give a palindrome (1233321).

The spelling of 1111220122101 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, one hundred one".