1222222011010 has 128 divisors (see below), whose sum is σ = 3002270842368. Its totient is φ = 345883392000.

The previous prime is 1222222010957. The next prime is 1222222011047. The reversal of 1222222011010 is 101102222221.

It is a happy number.

It is a super-2 number, since 2×1222222011010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 390211 + ... + 1611430.

It is an arithmetic number, because the mean of its divisors is an integer number (23455240956).

Almost surely, 2^{1222222011010} is an apocalyptic number.

1222222011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222011010 is an abundant number, since it is smaller than the sum of its proper divisors (1780048831358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222222011010 is a wasteful number, since it uses less digits than its factorization.

1222222011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001740.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222222011010 its reverse (101102222221), we get a palindrome (1323324233231).

The spelling of 1222222011010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, eleven thousand, ten".