212021201022 has 16 divisors (see below), whose sum is σ = 429851202960. Its totient is φ = 69705600192.

The previous prime is 212021201003. The next prime is 212021201027. The reversal of 212021201022 is 220102120212.

It is a super-2 number, since 2×212021201022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212021200992 and 212021201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021201027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242032897 + ... + 242033772.

It is an arithmetic number, because the mean of its divisors is an integer number (26865700185).

Almost surely, 2^212021201022 is an apocalyptic number.

212021201022 is an abundant number, since it is smaller than the sum of its proper divisors (217830001938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021201022 is a wasteful number, since it uses less digits than its factorization.

212021201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484066747.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212021201022 its reverse (220102120212), we get a palindrome (432123321234).

The spelling of 212021201022 in words is "two hundred twelve billion, twenty-one million, two hundred one thousand, twenty-two".