212101022 has 32 divisors (see below), whose sum is σ = 370524672. Its totient is φ = 89185824.

The previous prime is 212101013. The next prime is 212101031. The reversal of 212101022 is 220101212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212101013) and next prime (212101031).

It is a junction number, because it is equal to n+sod(n) for n = 212100994 and 212101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193508 + ... + 194600.

It is an arithmetic number, because the mean of its divisors is an integer number (11578896).

Almost surely, 2^212101022 is an apocalyptic number.

212101022 is a deficient number, since it is larger than the sum of its proper divisors (158423650).

212101022 is a wasteful number, since it uses less digits than its factorization.

212101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212101022 is about 14563.6884751082. The cubic root of 212101022 is about 596.3678925438.

Adding to 212101022 its reverse (220101212), we get a palindrome (432202234).

The spelling of 212101022 in words is "two hundred twelve million, one hundred one thousand, twenty-two".