2121030344102 has 16 divisors (see below), whose sum is σ = 3184789819392. Its totient is φ = 1059434017800.

The previous prime is 2121030344101. The next prime is 2121030344117. The reversal of 2121030344102 is 2014430301212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121030344101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16008893 + ... + 16140839.

It is an arithmetic number, because the mean of its divisors is an integer number (199049363712).

Almost surely, 2^{2121030344102} is an apocalyptic number.

2121030344102 is a deficient number, since it is larger than the sum of its proper divisors (1063759475290).

2121030344102 is a wasteful number, since it uses less digits than its factorization.

2121030344102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140083.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2121030344102 its reverse (2014430301212), we get a palindrome (4135460645314).

The spelling of 2121030344102 in words is "two trillion, one hundred twenty-one billion, thirty million, three hundred forty-four thousand, one hundred two".