20010201101 has 32 divisors (see below), whose sum is σ = 24581128320. Its totient is φ = 16052428800.

The previous prime is 20010201037. The next prime is 20010201121. The reversal of 20010201101 is 10110201002.

It is a cyclic number.

It is not a de Polignac number, because 20010201101 - 2⁶ = 20010201037 is a prime.

It is a super-2 number, since 2×20010201101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315611 + ... + 373671.

It is an arithmetic number, because the mean of its divisors is an integer number (768160260).

Almost surely, 2^20010201101 is an apocalyptic number.

It is an amenable number.

20010201101 is a deficient number, since it is larger than the sum of its proper divisors (4570927219).

20010201101 is a wasteful number, since it uses less digits than its factorization.

20010201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58205.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20010201101 its reverse (10110201002), we get a palindrome (30120402103).

Subtracting from 20010201101 its reverse (10110201002), we obtain a palindrome (9900000099).

The spelling of 20010201101 in words is "twenty billion, ten million, two hundred one thousand, one hundred one".