1002020111102 has 4 divisors (see below), whose sum is σ = 1503030166656. Its totient is φ = 501010055550.

The previous prime is 1002020111089. The next prime is 1002020111129. The reversal of 1002020111102 is 2011110202001.

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, 250505027774 + ... + 250505027777.

It is an arithmetic number, because the mean of its divisors is an integer number (375757541664).

Almost surely, 2^{1002020111102} is an apocalyptic number.

1002020111102 is a deficient number, since it is larger than the sum of its proper divisors (501010055554).

1002020111102 is an equidigital number, since it uses as much as digits as its factorization.

1002020111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501010055553.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002020111102 its reverse (2011110202001), we get a palindrome (3013130313103).

The spelling of 1002020111102 in words is "one trillion, two billion, twenty million, one hundred eleven thousand, one hundred two".