102213111222011 has 4 divisors (see below), whose sum is σ = 102213132087792. Its totient is φ = 102213090356232.

The previous prime is 102213111221953. The next prime is 102213111222071. The reversal of 102213111222011 is 110222111312201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102213111222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102213111222071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353521 + ... + 14361693.

It is an arithmetic number, because the mean of its divisors is an integer number (25553283021948).

Almost surely, 2^{102213111222011} is an apocalyptic number.

102213111222011 is a deficient number, since it is larger than the sum of its proper divisors (20865781).

102213111222011 is an equidigital number, since it uses as much as digits as its factorization.

102213111222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20865780.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 102213111222011 its reverse (110222111312201), we get a palindrome (212435222534212).

The spelling of 102213111222011 in words is "one hundred two trillion, two hundred thirteen billion, one hundred eleven million, two hundred twenty-two thousand, eleven".