22212121210011 has 12 divisors (see below), whose sum is σ = 32084688152088. Its totient is φ = 14807844004704.

The previous prime is 22212121210009. The next prime is 22212121210043. The reversal of 22212121210011 is 11001212121222.

22212121210011 is a `hidden beast` number, since 222 + 121 + 212 + 100 + 11 = 666.

It is not a de Polignac number, because 22212121210011 - 2¹ = 22212121210009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212121218011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19138485 + ... + 20265878.

It is an arithmetic number, because the mean of its divisors is an integer number (2673724012674).

Almost surely, 2^{22212121210011} is an apocalyptic number.

22212121210011 is a deficient number, since it is larger than the sum of its proper divisors (9872566942077).

22212121210011 is a wasteful number, since it uses less digits than its factorization.

22212121210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39467002 (or 39466999 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22212121210011 its reverse (11001212121222), we get a palindrome (33213333331233).

The spelling of 22212121210011 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, two hundred ten thousand, eleven".