111210000002101 has 16 divisors (see below), whose sum is σ = 149316923081088. Its totient is φ = 79991208792000.

The previous prime is 111210000002083. The next prime is 111210000002147. The reversal of 111210000002101 is 101200000012111.

It is a de Polignac number, because none of the positive numbers 2^k-111210000002101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210000008101) 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, 55549449550 + ... + 55549451551.

It is an arithmetic number, because the mean of its divisors is an integer number (9332307692568).

Almost surely, 2^{111210000002101} is an apocalyptic number.

111210000002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111210000002101 is a deficient number, since it is larger than the sum of its proper divisors (38106923078987).

111210000002101 is a wasteful number, since it uses less digits than its factorization.

111210000002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111098901132.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111210000002101 its reverse (101200000012111), we get a palindrome (212410000014212).

The spelling of 111210000002101 in words is "one hundred eleven trillion, two hundred ten billion, two thousand, one hundred one".