1102221212002 has 8 divisors (see below), whose sum is σ = 1653357428316. Its totient is φ = 551102069232.

The previous prime is 1102221211997. The next prime is 1102221212009. The reversal of 1102221212002 is 2002121222011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1008700844281 + 93520367721 = 1004341^2 + 305811^2 .

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 (1102221212009) 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, 4105753 + ... + 4365964.

Almost surely, 2^{1102221212002} is an apocalyptic number.

1102221212002 is a deficient number, since it is larger than the sum of its proper divisors (551136216314).

1102221212002 is an equidigital number, since it uses as much as digits as its factorization.

1102221212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536772.

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

Adding to 1102221212002 its reverse (2002121222011), we get a palindrome (3104342434013).

The spelling of 1102221212002 in words is "one trillion, one hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two".