2021201221102 has 16 divisors (see below), whose sum is σ = 3464977726080. Its totient is φ = 866213758008.

The previous prime is 2021201221049. The next prime is 2021201221133. The reversal of 2021201221102 is 2011221021202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440152 + ... + 2058187.

It is an arithmetic number, because the mean of its divisors is an integer number (216561107880).

Almost surely, 2^{2021201221102} is an apocalyptic number.

2021201221102 is a deficient number, since it is larger than the sum of its proper divisors (1443776504978).

2021201221102 is a wasteful number, since it uses less digits than its factorization.

2021201221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556135.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021201221102 its reverse (2011221021202), we get a palindrome (4032422242304).

The spelling of 2021201221102 in words is "two trillion, twenty-one billion, two hundred one million, two hundred twenty-one thousand, one hundred two".