2021022201 has 8 divisors (see below), whose sum is σ = 2939668704. Its totient is φ = 1224861920.

The previous prime is 2021022197. The next prime is 2021022217. The reversal of 2021022201 is 1022201202.

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 2021022201 - 2² = 2021022197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021023201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30621516 + ... + 30621581.

It is an arithmetic number, because the mean of its divisors is an integer number (367458588).

Almost surely, 2^2021022201 is an apocalyptic number.

It is an amenable number.

2021022201 is a deficient number, since it is larger than the sum of its proper divisors (918646503).

2021022201 is a wasteful number, since it uses less digits than its factorization.

2021022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61243111.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2021022201 is about 44955.7805070716. The cubic root of 2021022201 is about 1264.3200584935.

Adding to 2021022201 its reverse (1022201202), we get a palindrome (3043223403).

It can be divided in two parts, 202 and 1022201, that multiplied together give a palindrome (206484602).

The spelling of 2021022201 in words is "two billion, twenty-one million, twenty-two thousand, two hundred one".