1222220220010 has 16 divisors (see below), whose sum is σ = 2270964022272. Its totient is φ = 473117504400.

The previous prime is 1222220220007. The next prime is 1222220220043. The reversal of 1222220220010 is 100220222221.

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, 1971322626 + ... + 1971323245.

It is an arithmetic number, because the mean of its divisors is an integer number (141935251392).

Almost surely, 2^{1222220220010} is an apocalyptic number.

1222220220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222220220010 is a deficient number, since it is larger than the sum of its proper divisors (1048743802262).

1222220220010 is a wasteful number, since it uses less digits than its factorization.

1222220220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942645909.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222220220010 its reverse (100220222221), we get a palindrome (1322440442231).

The spelling of 1222220220010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, ten".