1111002222101 has 8 divisors (see below), whose sum is σ = 1124016667704. Its totient is φ = 1098027275200.

The previous prime is 1111002222053. The next prime is 1111002222149. The reversal of 1111002222101 is 1012222001111.

It is an interprime number because it is at equal distance from previous prime (1111002222053) and next prime (1111002222149).

It can be written as a sum of positive squares in 4 ways, for example, as 269645487076 + 841356735025 = 519274^2 + 917255^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111002222101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111002222901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9818090 + ... + 9930603.

It is an arithmetic number, because the mean of its divisors is an integer number (140502083463).

Almost surely, 2^{1111002222101} is an apocalyptic number.

It is an amenable number.

1111002222101 is a deficient number, since it is larger than the sum of its proper divisors (13014445603).

1111002222101 is a wasteful number, since it uses less digits than its factorization.

1111002222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749351.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111002222101 its reverse (1012222001111), we get a palindrome (2123224223212).

The spelling of 1111002222101 in words is "one trillion, one hundred eleven billion, two million, two hundred twenty-two thousand, one hundred one".