111210002122101 has 32 divisors (see below), whose sum is σ = 150511705423872. Its totient is φ = 73031808435840.

The previous prime is 111210002122097. The next prime is 111210002122111. The reversal of 111210002122101 is 101221200012111.

It is a happy number.

It is not a de Polignac number, because 111210002122101 - 2² = 111210002122097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210002122111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406560296 + ... + 1406639358.

It is an arithmetic number, because the mean of its divisors is an integer number (4703490794496).

Almost surely, 2^{111210002122101} is an apocalyptic number.

It is an amenable number.

111210002122101 is a deficient number, since it is larger than the sum of its proper divisors (39301703301771).

111210002122101 is a wasteful number, since it uses less digits than its factorization.

111210002122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103193.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111210002122101 its reverse (101221200012111), we get a palindrome (212431202134212).

The spelling of 111210002122101 in words is "one hundred eleven trillion, two hundred ten billion, two million, one hundred twenty-two thousand, one hundred one".