101200399066 has 16 divisors (see below), whose sum is σ = 163486409184. Its totient is φ = 46705350384.

The previous prime is 101200399063. The next prime is 101200399103. The reversal of 101200399066 is 660993002101.

It is a super-2 number, since 2×101200399066² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101200399063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437545 + ... + 627571.

It is an arithmetic number, because the mean of its divisors is an integer number (10217900574).

Almost surely, 2^101200399066 is an apocalyptic number.

101200399066 is a deficient number, since it is larger than the sum of its proper divisors (62286010118).

101200399066 is a wasteful number, since it uses less digits than its factorization.

101200399066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210525.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 101200399066 in words is "one hundred one billion, two hundred million, three hundred ninety-nine thousand, sixty-six".