101101120021111 has 4 divisors (see below), whose sum is σ = 115544137166992. Its totient is φ = 86658102875232.

The previous prime is 101101120021103. The next prime is 101101120021151. The reversal of 101101120021111 is 111120021101101.

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

It is not a de Polignac number, because 101101120021111 - 2³ = 101101120021103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101101120021091 and 101101120021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101120021151) 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, 7221508572930 + ... + 7221508572943.

It is an arithmetic number, because the mean of its divisors is an integer number (28886034291748).

Almost surely, 2^{101101120021111} is an apocalyptic number.

101101120021111 is a deficient number, since it is larger than the sum of its proper divisors (14443017145881).

101101120021111 is an equidigital number, since it uses as much as digits as its factorization.

101101120021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443017145880.

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

Adding to 101101120021111 its reverse (111120021101101), we get a palindrome (212221141122212).

The spelling of 101101120021111 in words is "one hundred one trillion, one hundred one billion, one hundred twenty million, twenty-one thousand, one hundred eleven".