102212012011 has 4 divisors (see below), whose sum is σ = 102252208032. Its totient is φ = 102171815992.

The previous prime is 102212012009. The next prime is 102212012017. The reversal of 102212012011 is 110210212201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110210212201 = 44777 ⋅2461313.

It is a cyclic number.

It is not a de Polignac number, because 102212012011 - 2¹ = 102212012009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102212011982 and 102212012000.

It is not an unprimeable number, because it can be changed into a prime (102212012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20094196 + ... + 20099281.

It is an arithmetic number, because the mean of its divisors is an integer number (25563052008).

Almost surely, 2^102212012011 is an apocalyptic number.

102212012011 is a deficient number, since it is larger than the sum of its proper divisors (40196021).

102212012011 is an equidigital number, since it uses as much as digits as its factorization.

102212012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40196020.

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

Adding to 102212012011 its reverse (110210212201), we get a palindrome (212422224212).

The spelling of 102212012011 in words is "one hundred two billion, two hundred twelve million, twelve thousand, eleven".