212022020011 has 4 divisors (see below), whose sum is σ = 212771214712. Its totient is φ = 211272825312.

The previous prime is 212022019897. The next prime is 212022020033. The reversal of 212022020011 is 110020220212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212022020011 - 2¹³ = 212022011819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212022019973 and 212022020000.

It is not an unprimeable number, because it can be changed into a prime (212022020051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374596926 + ... + 374597491.

It is an arithmetic number, because the mean of its divisors is an integer number (53192803678).

Almost surely, 2^212022020011 is an apocalyptic number.

212022020011 is a deficient number, since it is larger than the sum of its proper divisors (749194701).

212022020011 is an equidigital number, since it uses as much as digits as its factorization.

212022020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749194700.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212022020011 its reverse (110020220212), we get a palindrome (322042240223).

The spelling of 212022020011 in words is "two hundred twelve billion, twenty-two million, twenty thousand, eleven".