20000211101 has 16 divisors (see below), whose sum is σ = 21602763504. Its totient is φ = 18406907904.

The previous prime is 20000211089. The next prime is 20000211113. The reversal of 20000211101 is 10111200002.

It is an interprime number because it is at equal distance from previous prime (20000211089) and next prime (20000211113).

It can be written as a sum of positive squares in 8 ways, for example, as 2888955001 + 17111256100 = 53749^2 + 130810^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000211101 - 2⁶ = 20000211037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000211151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8797901 + ... + 8800173.

It is an arithmetic number, because the mean of its divisors is an integer number (1350172719).

Almost surely, 2^20000211101 is an apocalyptic number.

It is an amenable number.

20000211101 is a deficient number, since it is larger than the sum of its proper divisors (1602552403).

20000211101 is a wasteful number, since it uses less digits than its factorization.

20000211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000.

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

Adding to 20000211101 its reverse (10111200002), we get a palindrome (30111411103).

The spelling of 20000211101 in words is "twenty billion, two hundred eleven thousand, one hundred one".