101101121011 has 4 divisors (see below), whose sum is σ = 110292132024. Its totient is φ = 91910110000.

The previous prime is 101101120997. The next prime is 101101121053. The reversal of 101101121011 is 110121101101.

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 101101121011 - 2¹⁷ = 101100989939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101101121081) 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, 4595505490 + ... + 4595505511.

It is an arithmetic number, because the mean of its divisors is an integer number (27573033006).

Almost surely, 2^101101121011 is an apocalyptic number.

101101121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101101121011 is a deficient number, since it is larger than the sum of its proper divisors (9191011013).

101101121011 is an equidigital number, since it uses as much as digits as its factorization.

101101121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191011012.

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

Adding to 101101121011 its reverse (110121101101), we get a palindrome (211222222112).

The spelling of 101101121011 in words is "one hundred one billion, one hundred one million, one hundred twenty-one thousand, eleven".