1022221211210 has 16 divisors (see below), whose sum is σ = 1840013679816. Its totient is φ = 408885040128.

The previous prime is 1022221211173. The next prime is 1022221211257. The reversal of 1022221211210 is 121121222201.

It can be written as a sum of positive squares in 4 ways, for example, as 979919828281 + 42301382929 = 989909^2 + 205673^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1062482 + ... + 1781378.

Almost surely, 2^{1022221211210} is an apocalyptic number.

1022221211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022221211210 is a deficient number, since it is larger than the sum of its proper divisors (817792468606).

1022221211210 is a wasteful number, since it uses less digits than its factorization.

1022221211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861097.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022221211210 its reverse (121121222201), we get a palindrome (1143342433411).

The spelling of 1022221211210 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred ten".