1002102221212 has 6 divisors (see below), whose sum is σ = 1753678887128. Its totient is φ = 501051110604.

The previous prime is 1002102221189. The next prime is 1002102221213. The reversal of 1002102221212 is 2121222012001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002102221213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125262777648 + ... + 125262777655.

Almost surely, 2^{1002102221212} is an apocalyptic number.

It is an amenable number.

1002102221212 is a deficient number, since it is larger than the sum of its proper divisors (751576665916).

1002102221212 is a wasteful number, since it uses less digits than its factorization.

1002102221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250525555307 (or 250525555305 counting only the distinct ones).

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

Adding to 1002102221212 its reverse (2121222012001), we get a palindrome (3123324233213).

The spelling of 1002102221212 in words is "one trillion, two billion, one hundred two million, two hundred twenty-one thousand, two hundred twelve".