212211222201022 has 32 divisors (see below), whose sum is σ = 348176544180480. Its totient is φ = 96203823871680.

The previous prime is 212211222200951. The next prime is 212211222201023. The reversal of 212211222201022 is 220102222112212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212211222200984 and 212211222201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211222201023) 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 15 ways as a sum of consecutive naturals, for example, 11919354 + ... + 23801122.

It is an arithmetic number, because the mean of its divisors is an integer number (10880517005640).

Almost surely, 2^{212211222201022} is an apocalyptic number.

212211222201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212211222201022 is a deficient number, since it is larger than the sum of its proper divisors (135965321979458).

212211222201022 is a wasteful number, since it uses less digits than its factorization.

212211222201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883936.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212211222201022 its reverse (220102222112212), we get a palindrome (432313444313234).

The spelling of 212211222201022 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred twenty-two million, two hundred one thousand, twenty-two".