212022020012011 has 16 divisors (see below), whose sum is σ = 233612760872448. Its totient is φ = 190817705052000.

The previous prime is 212022020011999. The next prime is 212022020012069. The reversal of 212022020012011 is 110210020220212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212022020012011 - 2²¹ = 212022017914859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022020012611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587145 + ... + 20600698.

It is an arithmetic number, because the mean of its divisors is an integer number (14600797554528).

Almost surely, 2^{212022020012011} is an apocalyptic number.

212022020012011 is a deficient number, since it is larger than the sum of its proper divisors (21590740860437).

212022020012011 is a wasteful number, since it uses less digits than its factorization.

212022020012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21196962.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212022020012011 its reverse (110210020220212), we get a palindrome (322232040232223).

The spelling of 212022020012011 in words is "two hundred twelve trillion, twenty-two billion, twenty million, twelve thousand, eleven".