101100102121111 has 4 divisors (see below), whose sum is σ = 101333589655312. Its totient is φ = 100866614586912.

The previous prime is 101100102121021. The next prime is 101100102121121. The reversal of 101100102121111 is 111121201001101.

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

It is a cyclic number.

It is not a de Polignac number, because 101100102121111 - 2¹⁷ = 101100101990039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100102121091 and 101100102121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100102121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116743766451 + ... + 116743767316.

It is an arithmetic number, because the mean of its divisors is an integer number (25333397413828).

Almost surely, 2^{101100102121111} is an apocalyptic number.

101100102121111 is a deficient number, since it is larger than the sum of its proper divisors (233487534201).

101100102121111 is an equidigital number, since it uses as much as digits as its factorization.

101100102121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233487534200.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101100102121111 its reverse (111121201001101), we get a palindrome (212221303122212).

The spelling of 101100102121111 in words is "one hundred one trillion, one hundred billion, one hundred two million, one hundred twenty-one thousand, one hundred eleven".