100102221121211 has 4 divisors (see below), whose sum is σ = 100105335624624. Its totient is φ = 100099106617800.

The previous prime is 100102221121139. The next prime is 100102221121223. The reversal of 100102221121211 is 112121122201001.

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

It is a cyclic number.

It is not a de Polignac number, because 100102221121211 - 2³⁸ = 99827343214267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100102221121211.

It is not an unprimeable number, because it can be changed into a prime (100102221126211) 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, 1557203495 + ... + 1557267776.

It is an arithmetic number, because the mean of its divisors is an integer number (25026333906156).

Almost surely, 2^{100102221121211} is an apocalyptic number.

100102221121211 is a deficient number, since it is larger than the sum of its proper divisors (3114503413).

100102221121211 is an equidigital number, since it uses as much as digits as its factorization.

100102221121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114503412.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100102221121211 its reverse (112121122201001), we get a palindrome (212223343322212).

The spelling of 100102221121211 in words is "one hundred trillion, one hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred eleven".