1022002102102 has 4 divisors (see below), whose sum is σ = 1533003153156. Its totient is φ = 511001051050.

The previous prime is 1022002102091. The next prime is 1022002102159. The reversal of 1022002102102 is 2012012002201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255500525524 + ... + 255500525527.

It is an arithmetic number, because the mean of its divisors is an integer number (383250788289).

Almost surely, 2^{1022002102102} is an apocalyptic number.

1022002102102 is a deficient number, since it is larger than the sum of its proper divisors (511001051054).

1022002102102 is an equidigital number, since it uses as much as digits as its factorization.

1022002102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511001051053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022002102102 its reverse (2012012002201), we get a palindrome (3034014104303).

Subtracting 1022002102102 from its reverse (2012012002201), we obtain a palindrome (990009900099).

The spelling of 1022002102102 in words is "one trillion, twenty-two billion, two million, one hundred two thousand, one hundred two".