2021001001210 has 16 divisors (see below), whose sum is σ = 3640462983936. Its totient is φ = 807809026768.

The previous prime is 2021001001177. The next prime is 2021001001219. The reversal of 2021001001210 is 121001001202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2021001001219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73907362 + ... + 73934701.

It is an arithmetic number, because the mean of its divisors is an integer number (227528936496).

Almost surely, 2^{2021001001210} is an apocalyptic number.

2021001001210 is a deficient number, since it is larger than the sum of its proper divisors (1619461982726).

2021001001210 is a wasteful number, since it uses less digits than its factorization.

2021001001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147843437.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021001001210 its reverse (121001001202), we get a palindrome (2142002002412).

The spelling of 2021001001210 in words is "two trillion, twenty-one billion, one million, one thousand, two hundred ten".