111202011221101 has 16 divisors (see below), whose sum is σ = 112387871867328. Its totient is φ = 110019868358400.

The previous prime is 111202011221099. The next prime is 111202011221137. The reversal of 111202011221101 is 101122110202111.

It is a cyclic number.

It is not a de Polignac number, because 111202011221101 - 2¹ = 111202011221099 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 (111202011225101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139998670 + ... + 140790736.

It is an arithmetic number, because the mean of its divisors is an integer number (7024241991708).

Almost surely, 2^{111202011221101} is an apocalyptic number.

It is an amenable number.

111202011221101 is a deficient number, since it is larger than the sum of its proper divisors (1185860646227).

111202011221101 is a wasteful number, since it uses less digits than its factorization.

111202011221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794412.

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

Adding to 111202011221101 its reverse (101122110202111), we get a palindrome (212324121423212).

The spelling of 111202011221101 in words is "one hundred eleven trillion, two hundred two billion, eleven million, two hundred twenty-one thousand, one hundred one".