2121001002302 has 16 divisors (see below), whose sum is σ = 3915694158432. Its totient is φ = 839077319520.

The previous prime is 2121001002293. The next prime is 2121001002353. The reversal of 2121001002302 is 2032001001212.

It is a happy number.

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

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, 5826925649 + ... + 5826926012.

It is an arithmetic number, because the mean of its divisors is an integer number (244730884902).

Almost surely, 2^{2121001002302} is an apocalyptic number.

2121001002302 is a deficient number, since it is larger than the sum of its proper divisors (1794693156130).

2121001002302 is a wasteful number, since it uses less digits than its factorization.

2121001002302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11653851683.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2121001002302 its reverse (2032001001212), we get a palindrome (4153002003514).

The spelling of 2121001002302 in words is "two trillion, one hundred twenty-one billion, one million, two thousand, three hundred two".