2131220033210 has 16 divisors (see below), whose sum is σ = 3836212873992.
Its totient is φ = 852484276800.
The previous prime is 2131220033203. The next prime is 2131220033233. The reversal of 2131220033210 is 123300221312.
Adding to 2131220033210 its reverse (123300221312), we get a palindrome (2254520254522).
It can be written as a sum of positive squares in 4 ways, for example, as 2130995602849 + 224430361 = 1459793^2 + 14981^2
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692840 + ... + 4230780.
Almost surely, 22131220033210 is an apocalyptic number.
2131220033210 is a deficient number, since it is larger than the sum of its proper divisors (1704992840782).
2131220033210 is a wasteful number, since it uses less digits than its factorization.
2131220033210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 934129.
The product of its (nonzero) digits is 432, while the sum is 20.
The spelling of 2131220033210 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, thirty-three thousand, two hundred ten".