200102011101 has 6 divisors (see below), whose sum is σ = 289036238270. Its totient is φ = 133401340728.

The previous prime is 200102011091. The next prime is 200102011133. The reversal of 200102011101 is 101110201002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 164957010201 + 35145000900 = 406149^2 + 187470^2 .

It is not a de Polignac number, because 200102011101 - 2⁶ = 200102011037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22233556789 = 200102011101 / (2 + 0 + 0 + 1 + 0 + 2 + 0 + 1 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102011001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11116778386 + ... + 11116778403.

Almost surely, 2^200102011101 is an apocalyptic number.

It is an amenable number.

200102011101 is a deficient number, since it is larger than the sum of its proper divisors (88934227169).

200102011101 is a wasteful number, since it uses less digits than its factorization.

200102011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233556795 (or 22233556792 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200102011101 its reverse (101110201002), we get a palindrome (301212212103).

The spelling of 200102011101 in words is "two hundred billion, one hundred two million, eleven thousand, one hundred one".