100221021101122 has 4 divisors (see below), whose sum is σ = 150331531651686. Its totient is φ = 50110510550560.

The previous prime is 100221021101101. The next prime is 100221021101129. The reversal of 100221021101122 is 221101120122001.

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

It can be written as a sum of positive squares in only one way, i.e., 87695714430801 + 12525306670321 = 9364599^2 + 3539111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100221021101096 and 100221021101105.

It is not an unprimeable number, because it can be changed into a prime (100221021101129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055255275279 + ... + 25055255275282.

Almost surely, 2^{100221021101122} is an apocalyptic number.

100221021101122 is a deficient number, since it is larger than the sum of its proper divisors (50110510550564).

100221021101122 is an equidigital number, since it uses as much as digits as its factorization.

100221021101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50110510550563.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100221021101122 its reverse (221101120122001), we get a palindrome (321322141223123).

The spelling of 100221021101122 in words is "one hundred trillion, two hundred twenty-one billion, twenty-one million, one hundred one thousand, one hundred twenty-two".