12210022011 has 16 divisors (see below), whose sum is σ = 18010176768. Its totient is φ = 7295786400.

The previous prime is 12210022001. The next prime is 12210022061. The reversal of 12210022011 is 11022001221.

It is not a de Polignac number, because 12210022011 - 2¹⁹ = 12209497723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12210022001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603296 + ... + 2607981.

It is an arithmetic number, because the mean of its divisors is an integer number (1125636048).

Almost surely, 2^12210022011 is an apocalyptic number.

12210022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12210022011 is a deficient number, since it is larger than the sum of its proper divisors (5800154757).

12210022011 is a wasteful number, since it uses less digits than its factorization.

12210022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211362.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210022011 its reverse (11022001221), we get a palindrome (23232023232).

The spelling of 12210022011 in words is "twelve billion, two hundred ten million, twenty-two thousand, eleven".