1001102221111 has 8 divisors (see below), whose sum is σ = 1006259032944. Its totient is φ = 995946168000.

The previous prime is 1001102221103. The next prime is 1001102221117. The reversal of 1001102221111 is 1111222011001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1001102221111 - 2³ = 1001102221103 is a prime.

It is a super-2 number, since 2×1001102221111² (a number of 25 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 = 1001102221091 and 1001102221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001102221117) 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, 2558236 + ... + 2923486.

It is an arithmetic number, because the mean of its divisors is an integer number (125782379118).

Almost surely, 2^{1001102221111} is an apocalyptic number.

1001102221111 is a deficient number, since it is larger than the sum of its proper divisors (5156811833).

1001102221111 is a wasteful number, since it uses less digits than its factorization.

1001102221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379361.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1001102221111 its reverse (1111222011001), we get a palindrome (2112324232112).

The spelling of 1001102221111 in words is "one trillion, one billion, one hundred two million, two hundred twenty-one thousand, one hundred eleven".