202112021110001 has 16 divisors (see below), whose sum is σ = 204280647414480. Its totient is φ = 199946714035200.

The previous prime is 202112021109983. The next prime is 202112021110099. The reversal of 202112021110001 is 100011120211202.

It can be written as a sum of positive squares in 8 ways, for example, as 15374985999025 + 186737035110976 = 3921095^2 + 13665176^2 .

It is a cyclic number.

It is not a de Polignac number, because 202112021110001 - 2⁴² = 197713974598897 is a prime.

It is a super-2 number, since 2×202112021110001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112021110801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240714565 + ... + 1240877453.

It is an arithmetic number, because the mean of its divisors is an integer number (12767540463405).

Almost surely, 2^{202112021110001} is an apocalyptic number.

It is an amenable number.

202112021110001 is a deficient number, since it is larger than the sum of its proper divisors (2168626304479).

202112021110001 is a wasteful number, since it uses less digits than its factorization.

202112021110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172996.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202112021110001 its reverse (100011120211202), we get a palindrome (302123141321203).

The spelling of 202112021110001 in words is "two hundred two trillion, one hundred twelve billion, twenty-one million, one hundred ten thousand, one".