20221212011011 has 16 divisors (see below), whose sum is σ = 23450436806400. Its totient is φ = 17242968204000.

The previous prime is 20221212010949. The next prime is 20221212011051. The reversal of 20221212011011 is 11011021212202.

It is not a de Polignac number, because 20221212011011 - 2³³ = 20212622076419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221212011051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478950231 + ... + 478992448.

It is an arithmetic number, because the mean of its divisors is an integer number (1465652300400).

Almost surely, 2^{20221212011011} is an apocalyptic number.

20221212011011 is a deficient number, since it is larger than the sum of its proper divisors (3229224795389).

20221212011011 is a wasteful number, since it uses less digits than its factorization.

20221212011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957942810.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221212011011 its reverse (11011021212202), we get a palindrome (31232233223213).

The spelling of 20221212011011 in words is "twenty trillion, two hundred twenty-one billion, two hundred twelve million, eleven thousand, eleven".