2121302012102 has 24 divisors (see below), whose sum is σ = 3986182904256. Its totient is φ = 839196399888.

The previous prime is 2121302012051. The next prime is 2121302012111. The reversal of 2121302012102 is 2012102031212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 832534838 + ... + 832537385.

It is an arithmetic number, because the mean of its divisors is an integer number (166090954344).

Almost surely, 2^{2121302012102} is an apocalyptic number.

2121302012102 is a deficient number, since it is larger than the sum of its proper divisors (1864880892154).

2121302012102 is a wasteful number, since it uses less digits than its factorization.

2121302012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665072252 (or 1665072245 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121302012102 its reverse (2012102031212), we get a palindrome (4133404043314).

The spelling of 2121302012102 in words is "two trillion, one hundred twenty-one billion, three hundred two million, twelve thousand, one hundred two".