10211210202222 has 48 divisors (see below), whose sum is σ = 22246660069920. Its totient is φ = 3384926024256.

The previous prime is 10211210202197. The next prime is 10211210202223. The reversal of 10211210202222 is 22220201211201.

It is a happy number.

10211210202222 is a `hidden beast` number, since 1 + 0 + 211 + 210 + 20 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10211210202195 and 10211210202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211210202223) 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 23 ways as a sum of consecutive naturals, for example, 7196679 + ... + 8497917.

It is an arithmetic number, because the mean of its divisors is an integer number (463472084790).

Almost surely, 2^{10211210202222} is an apocalyptic number.

10211210202222 is an abundant number, since it is smaller than the sum of its proper divisors (12035449867698).

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

10211210202222 is a wasteful number, since it uses less digits than its factorization.

10211210202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303657 (or 1303654 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10211210202222 its reverse (22220201211201), we get a palindrome (32431411413423).

The spelling of 10211210202222 in words is "ten trillion, two hundred eleven billion, two hundred ten million, two hundred two thousand, two hundred twenty-two".