20112102201 has 16 divisors (see below), whose sum is σ = 27462167744. Its totient is φ = 13085561664.

The previous prime is 20112102193. The next prime is 20112102211. The reversal of 20112102201 is 10220121102.

It is not a de Polignac number, because 20112102201 - 2³ = 20112102193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112102211) 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, 96555 + ... + 222591.

It is an arithmetic number, because the mean of its divisors is an integer number (1716385484).

Almost surely, 2^20112102201 is an apocalyptic number.

It is an amenable number.

20112102201 is a deficient number, since it is larger than the sum of its proper divisors (7350065543).

20112102201 is a wasteful number, since it uses less digits than its factorization.

20112102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127320.

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

Adding to 20112102201 its reverse (10220121102), we get a palindrome (30332223303).

The spelling of 20112102201 in words is "twenty billion, one hundred twelve million, one hundred two thousand, two hundred one".