1222100022002 has 8 divisors (see below), whose sum is σ = 1834079157036. Its totient is φ = 610740302992.

The previous prime is 1222100021981. The next prime is 1222100022007. The reversal of 1222100022002 is 2002200012221.

It can be written as a sum of positive squares in 2 ways, for example, as 1213586453641 + 8513568361 = 1101629^2 + 92269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1222100022007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154849073 + ... + 154856964.

Almost surely, 2^{1222100022002} is an apocalyptic number.

1222100022002 is a deficient number, since it is larger than the sum of its proper divisors (611979135034).

1222100022002 is a wasteful number, since it uses less digits than its factorization.

1222100022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309708012.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222100022002 its reverse (2002200012221), we get a palindrome (3224300034223).

The spelling of 1222100022002 in words is "one trillion, two hundred twenty-two billion, one hundred million, twenty-two thousand, two".