10212212022222 has 16 divisors (see below), whose sum is σ = 23342198908032. Its totient is φ = 2917774863480.

The previous prime is 10212212022217. The next prime is 10212212022223. The reversal of 10212212022222 is 22222021221201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212212022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121573952604 + ... + 121573952687.

It is an arithmetic number, because the mean of its divisors is an integer number (1458887431752).

Almost surely, 2^{10212212022222} is an apocalyptic number.

10212212022222 is an abundant number, since it is smaller than the sum of its proper divisors (13129986885810).

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

10212212022222 is a wasteful number, since it uses less digits than its factorization.

10212212022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243147905303.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10212212022222 its reverse (22222021221201), we get a palindrome (32434233243423).

The spelling of 10212212022222 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, twenty-two thousand, two hundred twenty-two".