212201101022 has 4 divisors (see below), whose sum is σ = 318301651536. Its totient is φ = 106100550510.

The previous prime is 212201101001. The next prime is 212201101031. The reversal of 212201101022 is 220101102212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 212201100988 and 212201101006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53050275254 + ... + 53050275257.

It is an arithmetic number, because the mean of its divisors is an integer number (79575412884).

Almost surely, 2^212201101022 is an apocalyptic number.

212201101022 is a deficient number, since it is larger than the sum of its proper divisors (106100550514).

212201101022 is a wasteful number, since it uses less digits than its factorization.

212201101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106100550513.

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

Adding to 212201101022 its reverse (220101102212), we get a palindrome (432302203234).

The spelling of 212201101022 in words is "two hundred twelve billion, two hundred one million, one hundred one thousand, twenty-two".