111201100202101 has 16 divisors (see below), whose sum is σ = 136876336668288. Its totient is φ = 87974645428800.

The previous prime is 111201100202057. The next prime is 111201100202123. The reversal of 111201100202101 is 101202001102111.

It is a happy number.

It is not a de Polignac number, because 111201100202101 - 2¹⁷ = 111201100071029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201100203101) 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, 59086795 + ... + 60939736.

It is an arithmetic number, because the mean of its divisors is an integer number (8554771041768).

Almost surely, 2^{111201100202101} is an apocalyptic number.

It is an amenable number.

111201100202101 is a deficient number, since it is larger than the sum of its proper divisors (25675236466187).

111201100202101 is a wasteful number, since it uses less digits than its factorization.

111201100202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120036732.

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

Adding to 111201100202101 its reverse (101202001102111), we get a palindrome (212403101304212).

The spelling of 111201100202101 in words is "one hundred eleven trillion, two hundred one billion, one hundred million, two hundred two thousand, one hundred one".