1222222111010 has 32 divisors (see below), whose sum is σ = 2291802163200. Its totient is φ = 468777689280.

The previous prime is 1222222111007. The next prime is 1222222111021. The reversal of 1222222111010 is 101112222221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222222111010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18051770 + ... + 18119349.

It is an arithmetic number, because the mean of its divisors is an integer number (71618817600).

Almost surely, 2^{1222222111010} is an apocalyptic number.

1222222111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222111010 is a deficient number, since it is larger than the sum of its proper divisors (1069580052190).

1222222111010 is a wasteful number, since it uses less digits than its factorization.

1222222111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36171266.

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

Adding to 1222222111010 its reverse (101112222221), we get a palindrome (1323334333231).

The spelling of 1222222111010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, ten".