2021220100201 has 16 divisors (see below), whose sum is σ = 2098245346560. Its totient is φ = 1945617972480.

The previous prime is 2021220100171. The next prime is 2021220100223. The reversal of 2021220100201 is 1020010221202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2021220100201 - 2¹⁷ = 2021219969129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021220190201) 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, 44757105 + ... + 44802241.

It is an arithmetic number, because the mean of its divisors is an integer number (131140334160).

Almost surely, 2^{2021220100201} is an apocalyptic number.

It is an amenable number.

2021220100201 is a deficient number, since it is larger than the sum of its proper divisors (77025246359).

2021220100201 is a wasteful number, since it uses less digits than its factorization.

2021220100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60864.

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

Adding to 2021220100201 its reverse (1020010221202), we get a palindrome (3041230321403).

The spelling of 2021220100201 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred thousand, two hundred one".