212011021022 has 8 divisors (see below), whose sum is σ = 318308025672. Its totient is φ = 105908345800.

The previous prime is 212011021021. The next prime is 212011021073. The reversal of 212011021022 is 220120110212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212011020988 and 212011021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011021021) 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 3 ways as a sum of consecutive naturals, for example, 48579629 + ... + 48583992.

It is an arithmetic number, because the mean of its divisors is an integer number (39788503209).

Almost surely, 2^212011021022 is an apocalyptic number.

212011021022 is a deficient number, since it is larger than the sum of its proper divisors (106297004650).

212011021022 is a wasteful number, since it uses less digits than its factorization.

212011021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97164714.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212011021022 its reverse (220120110212), we get a palindrome (432131131234).

The spelling of 212011021022 in words is "two hundred twelve billion, eleven million, twenty-one thousand, twenty-two".