1000212021021 has 8 divisors (see below), whose sum is σ = 1356219689760. Its totient is φ = 655506183152.

The previous prime is 1000212021001. The next prime is 1000212021037. The reversal of 1000212021021 is 1201202120001.

1000212021021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000212021021 - 2¹¹ = 1000212018973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000212020988 and 1000212021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000212021001) 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, 2825457510 + ... + 2825457863.

It is an arithmetic number, because the mean of its divisors is an integer number (169527461220).

Almost surely, 2^{1000212021021} is an apocalyptic number.

It is an amenable number.

1000212021021 is a deficient number, since it is larger than the sum of its proper divisors (356007668739).

1000212021021 is an equidigital number, since it uses as much as digits as its factorization.

1000212021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650915435.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000212021021 its reverse (1201202120001), we get a palindrome (2201414141022).

The spelling of 1000212021021 in words is "one trillion, two hundred twelve million, twenty-one thousand, twenty-one".