100011221221022 has 8 divisors (see below), whose sum is σ = 150017050574856. Its totient is φ = 50005537696072.

The previous prime is 100011221221019. The next prime is 100011221221049. The reversal of 100011221221022 is 220122122110001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34726253 + ... + 37495800.

It is an arithmetic number, because the mean of its divisors is an integer number (18752131321857).

Almost surely, 2^{100011221221022} is an apocalyptic number.

100011221221022 is a deficient number, since it is larger than the sum of its proper divisors (50005829353834).

100011221221022 is an equidigital number, since it uses as much as digits as its factorization.

100011221221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72914442.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100011221221022 its reverse (220122122110001), we get a palindrome (320133343331023).

The spelling of 100011221221022 in words is "one hundred trillion, eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-two".