100221212012011 has 8 divisors (see below), whose sum is σ = 102701642330448. Its totient is φ = 97742496480000.

The previous prime is 100221212011997. The next prime is 100221212012063. The reversal of 100221212012011 is 110210212122001.

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

It is a cyclic number.

It is not a de Polignac number, because 100221212012011 - 2¹⁵ = 100221211979243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221212012071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428578270 + ... + 428812051.

It is an arithmetic number, because the mean of its divisors is an integer number (12837705291306).

Almost surely, 2^{100221212012011} is an apocalyptic number.

100221212012011 is a deficient number, since it is larger than the sum of its proper divisors (2480430318437).

100221212012011 is an equidigital number, since it uses as much as digits as its factorization.

100221212012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857393213.

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

Adding to 100221212012011 its reverse (110210212122001), we get a palindrome (210431424134012).

The spelling of 100221212012011 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twelve million, twelve thousand, eleven".