2021220010210 has 8 divisors (see below), whose sum is σ = 3638196018396. Its totient is φ = 808488004080.

The previous prime is 2021220010207. The next prime is 2021220010211. The reversal of 2021220010210 is 120100221202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1897894724881 + 123325285329 = 1377641^2 + 351177^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2021220010211) 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, 101061000501 + ... + 101061000520.

Almost surely, 2^{2021220010210} is an apocalyptic number.

2021220010210 is a deficient number, since it is larger than the sum of its proper divisors (1616976008186).

2021220010210 is a wasteful number, since it uses less digits than its factorization.

2021220010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202122001028.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021220010210 its reverse (120100221202), we get a palindrome (2141320231412).

The spelling of 2021220010210 in words is "two trillion, twenty-one billion, two hundred twenty million, ten thousand, two hundred ten".