1102101221111 has 4 divisors (see below), whose sum is σ = 1202292241224. Its totient is φ = 1001910201000.

The previous prime is 1102101221101. The next prime is 1102101221141. The reversal of 1102101221111 is 1111221012011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102101221111 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 (1102101221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50095510040 + ... + 50095510061.

It is an arithmetic number, because the mean of its divisors is an integer number (300573060306).

Almost surely, 2^{1102101221111} is an apocalyptic number.

1102101221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102101221111 is a deficient number, since it is larger than the sum of its proper divisors (100191020113).

1102101221111 is a wasteful number, since it uses less digits than its factorization.

1102101221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100191020112.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1102101221111 its reverse (1111221012011), we get a palindrome (2213322233122).

The spelling of 1102101221111 in words is "one trillion, one hundred two billion, one hundred one million, two hundred twenty-one thousand, one hundred eleven".