1111220002101 has 12 divisors (see below), whose sum is σ = 1628564852096. Its totient is φ = 673466667720.

The previous prime is 1111220002099. The next prime is 1111220002129. The reversal of 1111220002101 is 1012000221111.

It is not a de Polignac number, because 1111220002101 - 2¹ = 1111220002099 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 (1111220002901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530605701 + ... + 1530606426.

Almost surely, 2^{1111220002101} is an apocalyptic number.

1111220002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111220002101 is a deficient number, since it is larger than the sum of its proper divisors (517344849995).

1111220002101 is a wasteful number, since it uses less digits than its factorization.

1111220002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061212152 (or 3061212141 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111220002101 its reverse (1012000221111), we get a palindrome (2123220223212).

The spelling of 1111220002101 in words is "one trillion, one hundred eleven billion, two hundred twenty million, two thousand, one hundred one".