2021123303210 has 64 divisors (see below), whose sum is σ = 4097112192000. Its totient is φ = 711187276800.

The previous prime is 2021123303093. The next prime is 2021123303279. The reversal of 2021123303210 is 123033211202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80289506 + ... + 80314674.

It is an arithmetic number, because the mean of its divisors is an integer number (64017378000).

Almost surely, 2^{2021123303210} is an apocalyptic number.

2021123303210 is an abundant number, since it is smaller than the sum of its proper divisors (2075988888790).

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

2021123303210 is a wasteful number, since it uses less digits than its factorization.

2021123303210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2021123303210 its reverse (123033211202), we get a palindrome (2144156514412).

The spelling of 2021123303210 in words is "two trillion, twenty-one billion, one hundred twenty-three million, three hundred three thousand, two hundred ten".