101000002100111 has 4 divisors (see below), whose sum is σ = 101000028760224. Its totient is φ = 100999975440000.

The previous prime is 101000002100071. The next prime is 101000002100117. The reversal of 101000002100111 is 111001200000101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000002100111 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 (101000002100117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6470930 + ... + 15616431.

It is an arithmetic number, because the mean of its divisors is an integer number (25250007190056).

Almost surely, 2^{101000002100111} is an apocalyptic number.

101000002100111 is a deficient number, since it is larger than the sum of its proper divisors (26660113).

101000002100111 is an equidigital number, since it uses as much as digits as its factorization.

101000002100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26660112.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101000002100111 its reverse (111001200000101), we get a palindrome (212001202100212).

The spelling of 101000002100111 in words is "one hundred one trillion, two million, one hundred thousand, one hundred eleven".