2121310020302 has 16 divisors (see below), whose sum is σ = 3518785739952. Its totient is φ = 951023171520.

The previous prime is 2121310020259. The next prime is 2121310020331. The reversal of 2121310020302 is 2030200131212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660431153 + ... + 660434364.

It is an arithmetic number, because the mean of its divisors is an integer number (219924108747).

Almost surely, 2^{2121310020302} is an apocalyptic number.

2121310020302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121310020302 is a deficient number, since it is larger than the sum of its proper divisors (1397475719650).

2121310020302 is a wasteful number, since it uses less digits than its factorization.

2121310020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320865603.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2121310020302 its reverse (2030200131212), we get a palindrome (4151510151514).

The spelling of 2121310020302 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, twenty thousand, three hundred two".