1222220122010 has 16 divisors (see below), whose sum is σ = 2202715636200. Its totient is φ = 488283734016.

The previous prime is 1222220121989. The next prime is 1222220122033. The reversal of 1222220122010 is 102210222221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1008913775809 + 213306346201 = 1004447^2 + 461851^2 .

It is a super-2 number, since 2×1222220122010² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222220122010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75530855 + ... + 75547034.

Almost surely, 2^{1222220122010} is an apocalyptic number.

1222220122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222220122010 is a deficient number, since it is larger than the sum of its proper divisors (980495514190).

1222220122010 is a wasteful number, since it uses less digits than its factorization.

1222220122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151078705.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222220122010 its reverse (102210222221), we get a palindrome (1324430344231).

The spelling of 1222220122010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, ten".