22121000002011 has 16 divisors (see below), whose sum is σ = 29528721394560. Its totient is φ = 14730315616320.

The previous prime is 22121000001959. The next prime is 22121000002039. The reversal of 22121000002011 is 11020000012122.

It is not a de Polignac number, because 22121000002011 - 2¹⁴ = 22120999985627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121000002091) 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 15 ways as a sum of consecutive naturals, for example, 7984495 + ... + 10392023.

It is an arithmetic number, because the mean of its divisors is an integer number (1845545087160).

Almost surely, 2^{22121000002011} is an apocalyptic number.

22121000002011 is a deficient number, since it is larger than the sum of its proper divisors (7407721392549).

22121000002011 is a wasteful number, since it uses less digits than its factorization.

22121000002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411066.

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

Adding to 22121000002011 its reverse (11020000012122), we get a palindrome (33141000014133).

The spelling of 22121000002011 in words is "twenty-two trillion, one hundred twenty-one billion, two thousand, eleven".