100101021221222 has 8 divisors (see below), whose sum is σ = 171601750664976. Its totient is φ = 42900437666232.

The previous prime is 100101021221221. The next prime is 100101021221249. The reversal of 100101021221222 is 222122120101001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100101021221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101021221221) 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, 3575036472173 + ... + 3575036472200.

It is an arithmetic number, because the mean of its divisors is an integer number (21450218833122).

Almost surely, 2^{100101021221222} is an apocalyptic number.

100101021221222 is a deficient number, since it is larger than the sum of its proper divisors (71500729443754).

100101021221222 is an equidigital number, since it uses as much as digits as its factorization.

100101021221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150072944382.

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

Adding to 100101021221222 its reverse (222122120101001), we get a palindrome (322223141322223).

The spelling of 100101021221222 in words is "one hundred trillion, one hundred one billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".