212022121011 has 8 divisors (see below), whose sum is σ = 282699748800. Its totient is φ = 141346286952.

The previous prime is 212022120997. The next prime is 212022121027. The reversal of 212022121011 is 110121220212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-212022121011 is a prime.

It is a super-3 number, since 3×212022121011³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212022121081) 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 7 ways as a sum of consecutive naturals, for example, 142885 + ... + 666678.

It is an arithmetic number, because the mean of its divisors is an integer number (35337468600).

Almost surely, 2^212022121011 is an apocalyptic number.

212022121011 is a deficient number, since it is larger than the sum of its proper divisors (70677627789).

212022121011 is an equidigital number, since it uses as much as digits as its factorization.

212022121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896865.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212022121011 its reverse (110121220212), we get a palindrome (322143341223).

The spelling of 212022121011 in words is "two hundred twelve billion, twenty-two million, one hundred twenty-one thousand, eleven".