102011221122011 has 4 divisors (see below), whose sum is σ = 102021555568224. Its totient is φ = 102000886675800.

The previous prime is 102011221122001. The next prime is 102011221122023. The reversal of 102011221122011 is 110221122110201.

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-102011221122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011221122001) 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, 5167208300 + ... + 5167228041.

It is an arithmetic number, because the mean of its divisors is an integer number (25505388892056).

Almost surely, 2^{102011221122011} is an apocalyptic number.

102011221122011 is a deficient number, since it is larger than the sum of its proper divisors (10334446213).

102011221122011 is an equidigital number, since it uses as much as digits as its factorization.

102011221122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10334446212.

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

Adding to 102011221122011 its reverse (110221122110201), we get a palindrome (212232343232212).

The spelling of 102011221122011 in words is "one hundred two trillion, eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, eleven".