1000222202021 has 16 divisors (see below), whose sum is σ = 1205108615424. Its totient is φ = 811603736064.

The previous prime is 1000222202003. The next prime is 1000222202027. The reversal of 1000222202021 is 1202022220001.

1000222202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1000222202021 - 2¹⁴ = 1000222185637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000222201987 and 1000222202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222202027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32007890 + ... + 32039123.

It is an arithmetic number, because the mean of its divisors is an integer number (75319288464).

Almost surely, 2^{1000222202021} is an apocalyptic number.

It is an amenable number.

1000222202021 is a deficient number, since it is larger than the sum of its proper divisors (204886413403).

1000222202021 is an equidigital number, since it uses as much as digits as its factorization.

1000222202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64047140.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1000222202021 its reverse (1202022220001), we get a palindrome (2202244422022).

The spelling of 1000222202021 in words is "one trillion, two hundred twenty-two million, two hundred two thousand, twenty-one".