212101211022 has 32 divisors (see below), whose sum is σ = 425276426400. Its totient is φ = 70521477120.

The previous prime is 212101210999. The next prime is 212101211099. The reversal of 212101211022 is 220112101212.

212101211022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212101210992 and 212101211010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21976854 + ... + 21986502.

It is an arithmetic number, because the mean of its divisors is an integer number (13289888325).

Almost surely, 2^212101211022 is an apocalyptic number.

212101211022 is an abundant number, since it is smaller than the sum of its proper divisors (213175215378).

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

212101211022 is a wasteful number, since it uses less digits than its factorization.

212101211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548.

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

Adding to 212101211022 its reverse (220112101212), we get a palindrome (432213312234).

The spelling of 212101211022 in words is "two hundred twelve billion, one hundred one million, two hundred eleven thousand, twenty-two".