2021201012107 has 4 divisors (see below), whose sum is σ = 2055458656440. Its totient is φ = 1986943367776.

The previous prime is 2021201012099. The next prime is 2021201012147. The reversal of 2021201012107 is 7012101021202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021201012107 - 2³ = 2021201012099 is a prime.

It is a super-2 number, since 2×2021201012107² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021201012147) 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, 17128822078 + ... + 17128822195.

It is an arithmetic number, because the mean of its divisors is an integer number (513864664110).

Almost surely, 2^{2021201012107} is an apocalyptic number.

2021201012107 is a deficient number, since it is larger than the sum of its proper divisors (34257644333).

2021201012107 is an equidigital number, since it uses as much as digits as its factorization.

2021201012107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34257644332.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 2021201012107 its reverse (7012101021202), we get a palindrome (9033302033309).

The spelling of 2021201012107 in words is "two trillion, twenty-one billion, two hundred one million, twelve thousand, one hundred seven".