2021231201010 has 128 divisors (see below), whose sum is σ = 5576548723200. Its totient is φ = 459280834560.

The previous prime is 2021231200999. The next prime is 2021231201029. The reversal of 2021231201010 is 101021321202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131849026 + ... + 131864354.

It is an arithmetic number, because the mean of its divisors is an integer number (43566786900).

Almost surely, 2^{2021231201010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021231201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2788274361600).

2021231201010 is an abundant number, since it is smaller than the sum of its proper divisors (3555317522190).

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

2021231201010 is a wasteful number, since it uses less digits than its factorization.

2021231201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18996.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021231201010 its reverse (101021321202), we get a palindrome (2122252522212).

The spelling of 2021231201010 in words is "two trillion, twenty-one billion, two hundred thirty-one million, two hundred one thousand, ten".