20112021201 has 8 divisors (see below), whose sum is σ = 26886784480. Its totient is φ = 13372636032.

The previous prime is 20112021199. The next prime is 20112021203. The reversal of 20112021201 is 10212021102.

It is an interprime number because it is at equal distance from previous prime (20112021199) and next prime (20112021203).

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

It is not a de Polignac number, because 20112021201 - 2¹ = 20112021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8843200 + ... + 8845473.

It is an arithmetic number, because the mean of its divisors is an integer number (3360848060).

Almost surely, 2^20112021201 is an apocalyptic number.

It is an amenable number.

20112021201 is a deficient number, since it is larger than the sum of its proper divisors (6774763279).

20112021201 is a wasteful number, since it uses less digits than its factorization.

20112021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689055.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112021201 its reverse (10212021102), we get a palindrome (30324042303).

Subtracting from 20112021201 its reverse (10212021102), we obtain a palindrome (9900000099).

The spelling of 20112021201 in words is "twenty billion, one hundred twelve million, twenty-one thousand, two hundred one".