1222222011002 has 16 divisors (see below), whose sum is σ = 1863961922472. Its totient is φ = 600951052800.

The previous prime is 1222222010957. The next prime is 1222222011047. The reversal of 1222222011002 is 2001102222221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222222010957) and next prime (1222222011047).

It can be written as a sum of positive squares in 4 ways, for example, as 974368384201 + 247853626801 = 987101^2 + 497849^2 .

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, 12371249 + ... + 12469652.

Almost surely, 2^{1222222011002} is an apocalyptic number.

1222222011002 is a deficient number, since it is larger than the sum of its proper divisors (641739911470).

1222222011002 is a wasteful number, since it uses less digits than its factorization.

1222222011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24841313.

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

Adding to 1222222011002 its reverse (2001102222221), we get a palindrome (3223324233223).

The spelling of 1222222011002 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, eleven thousand, two".