20101200200122 has 8 divisors (see below), whose sum is σ = 30238195144500. Its totient is φ = 10021801818624.

The previous prime is 20101200200027. The next prime is 20101200200129. The reversal of 20101200200122 is 22100200210102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18510224127201 + 1590976072921 = 4302351^2 + 1261339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20101200200129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14399139847 + ... + 14399141242.

Almost surely, 2^{20101200200122} is an apocalyptic number.

20101200200122 is a deficient number, since it is larger than the sum of its proper divisors (10136994944378).

20101200200122 is a wasteful number, since it uses less digits than its factorization.

20101200200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28798281440.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20101200200122 its reverse (22100200210102), we get a palindrome (42201400410224).

The spelling of 20101200200122 in words is "twenty trillion, one hundred one billion, two hundred million, two hundred thousand, one hundred twenty-two".