101110101121 has 4 divisors (see below), whose sum is σ = 103017838932. Its totient is φ = 99202363312.

The previous prime is 101110101067. The next prime is 101110101133. The reversal of 101110101121 is 121101011101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86845143025 + 14264958096 = 294695^2 + 119436^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101110101121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110101098 and 101110101107.

It is not an unprimeable number, because it can be changed into a prime (101110101151) 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, 953868826 + ... + 953868931.

It is an arithmetic number, because the mean of its divisors is an integer number (25754459733).

Almost surely, 2^101110101121 is an apocalyptic number.

It is an amenable number.

101110101121 is a deficient number, since it is larger than the sum of its proper divisors (1907737811).

101110101121 is an equidigital number, since it uses as much as digits as its factorization.

101110101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907737810.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101110101121 its reverse (121101011101), we get a palindrome (222211112222).

The spelling of 101110101121 in words is "one hundred one billion, one hundred ten million, one hundred one thousand, one hundred twenty-one".