1002121311002 has 32 divisors (see below), whose sum is σ = 1749793259520. Its totient is φ = 421566107760.

The previous prime is 1002121310941. The next prime is 1002121311019. The reversal of 1002121311002 is 2001131212001.

1002121311002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995002 + ... + 2446277.

It is an arithmetic number, because the mean of its divisors is an integer number (54681039360).

Almost surely, 2^{1002121311002} is an apocalyptic number.

1002121311002 is a deficient number, since it is larger than the sum of its proper divisors (747671948518).

1002121311002 is a wasteful number, since it uses less digits than its factorization.

1002121311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441586.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1002121311002 its reverse (2001131212001), we get a palindrome (3003252523003).

Subtracting 1002121311002 from its reverse (2001131212001), we obtain a palindrome (999009900999).

The spelling of 1002121311002 in words is "one trillion, two billion, one hundred twenty-one million, three hundred eleven thousand, two".