102221100211 has 4 divisors (see below), whose sum is σ = 102495151792. Its totient is φ = 101947048632.

The previous prime is 102221100199. The next prime is 102221100229. The reversal of 102221100211 is 112001122201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112001122201 = 12323 ⋅9088787.

It is a cyclic number.

It is not a de Polignac number, because 102221100211 - 2²¹ = 102219003059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221100191 and 102221100200.

It is not an unprimeable number, because it can be changed into a prime (102221100251) 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, 137025231 + ... + 137025976.

It is an arithmetic number, because the mean of its divisors is an integer number (25623787948).

Almost surely, 2^102221100211 is an apocalyptic number.

102221100211 is a deficient number, since it is larger than the sum of its proper divisors (274051581).

102221100211 is an equidigital number, since it uses as much as digits as its factorization.

102221100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274051580.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102221100211 its reverse (112001122201), we get a palindrome (214222222412).

The spelling of 102221100211 in words is "one hundred two billion, two hundred twenty-one million, one hundred thousand, two hundred eleven".