2121201011230 has 64 divisors (see below), whose sum is σ = 4470954268032. Its totient is φ = 709386024960.

The previous prime is 2121201011219. The next prime is 2121201011239. The reversal of 2121201011230 is 321101021212.

It is a super-2 number, since 2×2121201011230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121201011239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14498202 + ... + 14643778.

It is an arithmetic number, because the mean of its divisors is an integer number (69858660438).

Almost surely, 2^{2121201011230} is an apocalyptic number.

2121201011230 is an abundant number, since it is smaller than the sum of its proper divisors (2349753256802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121201011230 is a wasteful number, since it uses less digits than its factorization.

2121201011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150709.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2121201011230 its reverse (321101021212), we get a palindrome (2442302032442).

The spelling of 2121201011230 in words is "two trillion, one hundred twenty-one billion, two hundred one million, eleven thousand, two hundred thirty".