2121330310210 has 16 divisors (see below), whose sum is σ = 3821316077376. Its totient is φ = 847882897648.

The previous prime is 2121330310201. The next prime is 2121330310219. The reversal of 2121330310210 is 120130331212.

It is an interprime number because it is at equal distance from previous prime (2121330310201) and next prime (2121330310219).

It is not an unprimeable number, because it can be changed into a prime (2121330310219) 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, 81139582 + ... + 81165721.

It is an arithmetic number, because the mean of its divisors is an integer number (238832254836).

Almost surely, 2^{2121330310210} is an apocalyptic number.

2121330310210 is a deficient number, since it is larger than the sum of its proper divisors (1699985767166).

2121330310210 is a wasteful number, since it uses less digits than its factorization.

2121330310210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162306617.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2121330310210 its reverse (120130331212), we get a palindrome (2241460641422).

The spelling of 2121330310210 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, three hundred ten thousand, two hundred ten".