101101200120021 has 16 divisors (see below), whose sum is σ = 135101250022464. Its totient is φ = 67251096916224.

The previous prime is 101101200119993. The next prime is 101101200120023. The reversal of 101101200120021 is 120021002101101.

It is not a de Polignac number, because 101101200120021 - 2¹⁸ = 101101199857877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101101200119979 and 101101200120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101200120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11898306 + ... + 18541091.

It is an arithmetic number, because the mean of its divisors is an integer number (8443828126404).

Almost surely, 2^{101101200120021} is an apocalyptic number.

It is an amenable number.

101101200120021 is a deficient number, since it is larger than the sum of its proper divisors (34000049902443).

101101200120021 is a wasteful number, since it uses less digits than its factorization.

101101200120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30441860.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101101200120021 its reverse (120021002101101), we get a palindrome (221122202221122).

The spelling of 101101200120021 in words is "one hundred one trillion, one hundred one billion, two hundred million, one hundred twenty thousand, twenty-one".