1000210221001 has 4 divisors (see below), whose sum is σ = 1059046116372. Its totient is φ = 941374325632.

The previous prime is 1000210220981. The next prime is 1000210221007. The reversal of 1000210221001 is 1001220120001.

1000210221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 790633958976 + 209576262025 = 889176^2 + 457795^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000210221001 - 2¹⁹ = 1000209696713 is a prime.

It is a super-2 number, since 2×1000210221001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000210221007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29417947660 + ... + 29417947693.

It is an arithmetic number, because the mean of its divisors is an integer number (264761529093).

Almost surely, 2^{1000210221001} is an apocalyptic number.

It is an amenable number.

1000210221001 is a deficient number, since it is larger than the sum of its proper divisors (58835895371).

1000210221001 is an equidigital number, since it uses as much as digits as its factorization.

1000210221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58835895370.

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

Adding to 1000210221001 its reverse (1001220120001), we get a palindrome (2001430341002).

The spelling of 1000210221001 in words is "one trillion, two hundred ten million, two hundred twenty-one thousand, one".