1222011111010 has 64 divisors (see below), whose sum is σ = 2437484804352. Its totient is φ = 438742757376.

The previous prime is 1222011111007. The next prime is 1222011111053. The reversal of 1222011111010 is 101111102221.

It is a happy number.

It is a super-2 number, since 2×1222011111010² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 853969 + ... + 1781371.

It is an arithmetic number, because the mean of its divisors is an integer number (38085700068).

Almost surely, 2^{1222011111010} is an apocalyptic number.

1222011111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222011111010 is a deficient number, since it is larger than the sum of its proper divisors (1215473693342).

1222011111010 is a wasteful number, since it uses less digits than its factorization.

1222011111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927787.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1222011111010 its reverse (101111102221), we get a palindrome (1323122213231).

It can be divided in two parts, 12 and 22011111010, that added together give a palindrome (22011111022).

The spelling of 1222011111010 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred eleven thousand, ten".