111121022000101 has 4 divisors (see below), whose sum is σ = 111377652536332. Its totient is φ = 110864391463872.

The previous prime is 111121022000041. The next prime is 111121022000161. The reversal of 111121022000101 is 101000220121111.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (111121022000041) and next prime (111121022000161).

It can be written as a sum of positive squares in 2 ways, for example, as 56756560353025 + 54364461647076 = 7533695^2 + 7373226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111121022000101 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 (111121022000161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128315267466 + ... + 128315268331.

It is an arithmetic number, because the mean of its divisors is an integer number (27844413134083).

Almost surely, 2^{111121022000101} is an apocalyptic number.

It is an amenable number.

111121022000101 is a deficient number, since it is larger than the sum of its proper divisors (256630536231).

111121022000101 is an equidigital number, since it uses as much as digits as its factorization.

111121022000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256630536230.

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

Adding to 111121022000101 its reverse (101000220121111), we get a palindrome (212121242121212).

The spelling of 111121022000101 in words is "one hundred eleven trillion, one hundred twenty-one billion, twenty-two million, one hundred one", and thus it is an aban number.