102212221220011 has 4 divisors (see below), whose sum is σ = 116813967108592. Its totient is φ = 87610475331432.

The previous prime is 102212221219991. The next prime is 102212221220033. The reversal of 102212221220011 is 110022122212201.

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-102212221220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212221220411) 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, 7300872944280 + ... + 7300872944293.

It is an arithmetic number, because the mean of its divisors is an integer number (29203491777148).

Almost surely, 2^{102212221220011} is an apocalyptic number.

102212221220011 is a deficient number, since it is larger than the sum of its proper divisors (14601745888581).

102212221220011 is an equidigital number, since it uses as much as digits as its factorization.

102212221220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601745888580.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102212221220011 its reverse (110022122212201), we get a palindrome (212234343432212).

The spelling of 102212221220011 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twenty thousand, eleven".