2100123011101 has 8 divisors (see below), whose sum is σ = 2101661349120. Its totient is φ = 2098584885312.

The previous prime is 2100123011081. The next prime is 2100123011117. The reversal of 2100123011101 is 1011103210012.

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 2100123011101 - 2²¹ = 2100120913949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100123011191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23520820 + ... + 23609938.

It is an arithmetic number, because the mean of its divisors is an integer number (262707668640).

Almost surely, 2^{2100123011101} is an apocalyptic number.

It is an amenable number.

2100123011101 is a deficient number, since it is larger than the sum of its proper divisors (1538338019).

2100123011101 is a wasteful number, since it uses less digits than its factorization.

2100123011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106115.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2100123011101 its reverse (1011103210012), we get a palindrome (3111226221113).

The spelling of 2100123011101 in words is "two trillion, one hundred billion, one hundred twenty-three million, eleven thousand, one hundred one".