101111200209 has 16 divisors (see below), whose sum is σ = 149801826240. Its totient is φ = 67404111840.

The previous prime is 101111200207. The next prime is 101111200231. The reversal of 101111200209 is 902002111101.

It is a happy number.

It is not a de Polignac number, because 101111200209 - 2¹ = 101111200207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101111200191 and 101111200200.

It is not an unprimeable number, because it can be changed into a prime (101111200207) 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, 536749 + ... + 700229.

It is an arithmetic number, because the mean of its divisors is an integer number (9362614140).

Almost surely, 2^101111200209 is an apocalyptic number.

It is an amenable number.

101111200209 is a deficient number, since it is larger than the sum of its proper divisors (48690626031).

101111200209 is a wasteful number, since it uses less digits than its factorization.

101111200209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186397 (or 186391 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 101111200209 in words is "one hundred one billion, one hundred eleven million, two hundred thousand, two hundred nine".