101121110111 has 8 divisors (see below), whose sum is σ = 115729988640. Its totient is φ = 86552983008.

The previous prime is 101121110071. The next prime is 101121110147. The reversal of 101121110111 is 111011121101.

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 101121110111 - 2³⁴ = 83941240927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101121110092 and 101121110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121110171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10182536 + ... + 10192461.

It is an arithmetic number, because the mean of its divisors is an integer number (14466248580).

Almost surely, 2^101121110111 is an apocalyptic number.

101121110111 is a deficient number, since it is larger than the sum of its proper divisors (14608878529).

101121110111 is an equidigital number, since it uses as much as digits as its factorization.

101121110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20375713.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101121110111 its reverse (111011121101), we get a palindrome (212132231212).

The spelling of 101121110111 in words is "one hundred one billion, one hundred twenty-one million, one hundred ten thousand, one hundred eleven".