2101123300111 has 8 divisors (see below), whose sum is σ = 2301971999184. Its totient is φ = 1901914182720.

The previous prime is 2101123300109. The next prime is 2101123300141. The reversal of 2101123300111 is 1110033211012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101123300111 - 2¹ = 2101123300109 is a prime.

It is a super-2 number, since 2×2101123300111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101123300141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409892736 + ... + 409897861.

It is an arithmetic number, because the mean of its divisors is an integer number (287746499898).

Almost surely, 2^{2101123300111} is an apocalyptic number.

2101123300111 is a deficient number, since it is larger than the sum of its proper divisors (200848699073).

2101123300111 is a wasteful number, since it uses less digits than its factorization.

2101123300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819790841.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2101123300111 its reverse (1110033211012), we get a palindrome (3211156511123).

The spelling of 2101123300111 in words is "two trillion, one hundred one billion, one hundred twenty-three million, three hundred thousand, one hundred eleven".