2121013020230 has 32 divisors (see below), whose sum is σ = 4112571887424. Its totient is φ = 782939511936.

The previous prime is 2121013020197. The next prime is 2121013020233. The reversal of 2121013020230 is 320203101212.

It is a junction number, because it is equal to n+sod(n) for n = 2121013020199 and 2121013020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121013020233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620437 + ... + 2620656.

It is an arithmetic number, because the mean of its divisors is an integer number (128517871482).

Almost surely, 2^{2121013020230} is an apocalyptic number.

2121013020230 is a deficient number, since it is larger than the sum of its proper divisors (1991558867194).

2121013020230 is a wasteful number, since it uses less digits than its factorization.

2121013020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244960.

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

Adding to 2121013020230 its reverse (320203101212), we get a palindrome (2441216121442).

The spelling of 2121013020230 in words is "two trillion, one hundred twenty-one billion, thirteen million, twenty thousand, two hundred thirty".