101100121121011 has 4 divisors (see below), whose sum is σ = 106421180127400. Its totient is φ = 95779062114624.

The previous prime is 101100121121003. The next prime is 101100121121033. The reversal of 101100121121011 is 110121121001101.

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 101100121121011 - 2³ = 101100121121003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100121120982 and 101100121121000.

It is not an unprimeable number, because it can be changed into a prime (101100121121711) 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, 2660529503166 + ... + 2660529503203.

It is an arithmetic number, because the mean of its divisors is an integer number (26605295031850).

Almost surely, 2^{101100121121011} is an apocalyptic number.

101100121121011 is a deficient number, since it is larger than the sum of its proper divisors (5321059006389).

101100121121011 is an equidigital number, since it uses as much as digits as its factorization.

101100121121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321059006388.

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

Adding to 101100121121011 its reverse (110121121001101), we get a palindrome (211221242122112).

The spelling of 101100121121011 in words is "one hundred one trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, eleven".