111012002021101 has 16 divisors (see below), whose sum is σ = 119577316555840. Its totient is φ = 102719150835840.

The previous prime is 111012002021083. The next prime is 111012002021143. The reversal of 111012002021101 is 101120200210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111012002021101 - 2³⁷ = 110874563067629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012002021161) 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, 16677121 + ... + 22364041.

It is an arithmetic number, because the mean of its divisors is an integer number (7473582284740).

Almost surely, 2^{111012002021101} is an apocalyptic number.

It is an amenable number.

111012002021101 is a deficient number, since it is larger than the sum of its proper divisors (8565314534739).

111012002021101 is a wasteful number, since it uses less digits than its factorization.

111012002021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710876.

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

Adding to 111012002021101 its reverse (101120200210111), we get a palindrome (212132202231212).

The spelling of 111012002021101 in words is "one hundred eleven trillion, twelve billion, two million, twenty-one thousand, one hundred one".