101110201221021 has 32 divisors (see below), whose sum is σ = 138038669352960. Its totient is φ = 65801721940416.

The previous prime is 101110201220953. The next prime is 101110201221023. The reversal of 101110201221021 is 120122102011101.

It is a happy number.

It is not a de Polignac number, because 101110201221021 - 2¹⁵ = 101110201188253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110201221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891041130 + ... + 891154596.

It is an arithmetic number, because the mean of its divisors is an integer number (4313708417280).

Almost surely, 2^{101110201221021} is an apocalyptic number.

It is an amenable number.

101110201221021 is a deficient number, since it is larger than the sum of its proper divisors (36928468131939).

101110201221021 is a wasteful number, since it uses less digits than its factorization.

101110201221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129833.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101110201221021 its reverse (120122102011101), we get a palindrome (221232303232122).

The spelling of 101110201221021 in words is "one hundred one trillion, one hundred ten billion, two hundred one million, two hundred twenty-one thousand, twenty-one".